1102002001 has 4 divisors (see below), whose sum is σ = 1140002100. Its totient is φ = 1064001904.

The previous prime is 1102001983. The next prime is 1102002037. The reversal of 1102002001 is 1002002011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1002002011 = 109 ⋅9192679.

It can be written as a sum of positive squares in 2 ways, for example, as 385101376 + 716900625 = 19624^2 + 26775^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102002001 - 2²³ = 1093613393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102002061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19000006 + ... + 19000063.

It is an arithmetic number, because the mean of its divisors is an integer number (285000525).

Almost surely, 2^1102002001 is an apocalyptic number.

It is an amenable number.

1102002001 is a deficient number, since it is larger than the sum of its proper divisors (38000099).

1102002001 is an equidigital number, since it uses as much as digits as its factorization.

1102002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38000098.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1102002001 is about 33196.4154842055. The cubic root of 1102002001 is about 1032.9059861642.

Adding to 1102002001 its reverse (1002002011), we get a palindrome (2104004012).

The spelling of 1102002001 in words is "one billion, one hundred two million, two thousand, one".