1110221101 has 12 divisors (see below), whose sum is σ = 1222218396. Its totient is φ = 1007726720.

The previous prime is 1110221087. The next prime is 1110221141. The reversal of 1110221101 is 1011220111.

It can be written as a sum of positive squares in 2 ways, for example, as 1024640100 + 85581001 = 32010^2 + 9251^2 .

It is not a de Polignac number, because 1110221101 - 2⁹ = 1110220589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110221141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75141 + ... + 88693.

It is an arithmetic number, because the mean of its divisors is an integer number (101851533).

Almost surely, 2^1110221101 is an apocalyptic number.

1110221101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1110221101 is a deficient number, since it is larger than the sum of its proper divisors (111997295).

1110221101 is a wasteful number, since it uses less digits than its factorization.

1110221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14252 (or 14241 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1110221101 is about 33319.9805071972. The cubic root of 1110221101 is about 1035.4675479448.

Adding to 1110221101 its reverse (1011220111), we get a palindrome (2121441212).

The spelling of 1110221101 in words is "one billion, one hundred ten million, two hundred twenty-one thousand, one hundred one".