1001102211 has 6 divisors (see below), whose sum is σ = 1446036540. Its totient is φ = 667401468.

The previous prime is 1001102197. The next prime is 1001102231. The reversal of 1001102211 is 1122011001.

It is a happy number.

It is not a de Polignac number, because 1001102211 - 2¹³ = 1001094019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 111233579 = 1001102211 / (1 + 0 + 0 + 1 + 1 + 0 + 2 + 2 + 1 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 1001102193 and 1001102202.

It is not an unprimeable number, because it can be changed into a prime (1001102231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55616781 + ... + 55616798.

It is an arithmetic number, because the mean of its divisors is an integer number (241006090).

Almost surely, 2^1001102211 is an apocalyptic number.

1001102211 is a deficient number, since it is larger than the sum of its proper divisors (444934329).

1001102211 is a wasteful number, since it uses less digits than its factorization.

1001102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111233585 (or 111233582 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1001102211 is about 31640.1992882472. The cubic root of 1001102211 is about 1000.3672687638.

Adding to 1001102211 its reverse (1122011001), we get a palindrome (2123113212).

The spelling of 1001102211 in words is "one billion, one million, one hundred two thousand, two hundred eleven".