110210102212021 has 8 divisors (see below), whose sum is σ = 128524900539200. Its totient is φ = 94465801895724.

The previous prime is 110210102212019. The next prime is 110210102212027. The reversal of 110210102212021 is 120212201012011.

It is not a de Polignac number, because 110210102212021 - 2¹ = 110210102212019 is a prime.

It is a super-2 number, since 2×110210102212021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110210102211986 and 110210102212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110210102212027) 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, 160656125331 + ... + 160656126016.

It is an arithmetic number, because the mean of its divisors is an integer number (16065612567400).

Almost surely, 2^{110210102212021} is an apocalyptic number.

It is an amenable number.

110210102212021 is a deficient number, since it is larger than the sum of its proper divisors (18314798327179).

110210102212021 is an frugal number, since it uses more digits than its factorization.

110210102212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321312251368 (or 321312251354 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 110210102212021 its reverse (120212201012011), we get a palindrome (230422303224032).

The spelling of 110210102212021 in words is "one hundred ten trillion, two hundred ten billion, one hundred two million, two hundred twelve thousand, twenty-one".