110111210102021 has 8 divisors (see below), whose sum is σ = 112798420171584. Its totient is φ = 107424074832480.

The previous prime is 110111210101993. The next prime is 110111210102039. The reversal of 110111210102021 is 120201012111011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110111210102021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110111210101987 and 110111210102005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110111210102041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15714185 + ... + 21613838.

It is an arithmetic number, because the mean of its divisors is an integer number (14099802521448).

Almost surely, 2^{110111210102021} is an apocalyptic number.

It is an amenable number.

110111210102021 is a deficient number, since it is larger than the sum of its proper divisors (2687210069563).

110111210102021 is an equidigital number, since it uses as much as digits as its factorization.

110111210102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37400011.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 110111210102021 its reverse (120201012111011), we get a palindrome (230312222213032).

The spelling of 110111210102021 in words is "one hundred ten trillion, one hundred eleven billion, two hundred ten million, one hundred two thousand, twenty-one".