110212110021 has 16 divisors (see below), whose sum is σ = 158382120960. Its totient is φ = 67767622080.

The previous prime is 110212109989. The next prime is 110212110031. The reversal of 110212110021 is 120011212011.

It is not a de Polignac number, because 110212110021 - 2⁵ = 110212109989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110212109979 and 110212110006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110212110031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1101765 + ... + 1197626.

It is an arithmetic number, because the mean of its divisors is an integer number (9898882560).

Almost surely, 2^110212110021 is an apocalyptic number.

It is an amenable number.

110212110021 is a deficient number, since it is larger than the sum of its proper divisors (48170010939).

110212110021 is a wasteful number, since it uses less digits than its factorization.

110212110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300636.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 110212110021 its reverse (120011212011), we get a palindrome (230223322032).

The spelling of 110212110021 in words is "one hundred ten billion, two hundred twelve million, one hundred ten thousand, twenty-one".