110002011021 has 24 divisors (see below), whose sum is σ = 182265707520. Its totient is φ = 62624608416.

The previous prime is 110002011017. The next prime is 110002011109. The reversal of 110002011021 is 120110200011.

It is a happy number.

It is not a de Polignac number, because 110002011021 - 2² = 110002011017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 110002010994 and 110002011012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110002011521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3228525 + ... + 3262418.

It is an arithmetic number, because the mean of its divisors is an integer number (7594404480).

Almost surely, 2^110002011021 is an apocalyptic number.

It is an amenable number.

110002011021 is a deficient number, since it is larger than the sum of its proper divisors (72263696499).

110002011021 is a wasteful number, since it uses less digits than its factorization.

110002011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6491225 (or 6491222 counting only the distinct ones).

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

Adding to 110002011021 its reverse (120110200011), we get a palindrome (230112211032).

The spelling of 110002011021 in words is "one hundred ten billion, two million, eleven thousand, twenty-one".