212021112022110 has 48 divisors (see below), whose sum is σ = 553050509867856. Its totient is φ = 56354797194624.

The previous prime is 212021112022087. The next prime is 212021112022127. The reversal of 212021112022110 is 11220211120212.

212021112022110 is a `hidden beast` number, since 2 + 120 + 211 + 120 + 2 + 211 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3836764119 + ... + 3836819378.

It is an arithmetic number, because the mean of its divisors is an integer number (11521885622247).

Almost surely, 2^{212021112022110} is an apocalyptic number.

212021112022110 is an abundant number, since it is smaller than the sum of its proper divisors (341029397845746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212021112022110 is a wasteful number, since it uses less digits than its factorization.

212021112022110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7673583817 (or 7673583814 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212021112022110 its reverse (11220211120212), we get a palindrome (223241323142322).

The spelling of 212021112022110 in words is "two hundred twelve trillion, twenty-one billion, one hundred twelve million, twenty-two thousand, one hundred ten".