212110022022 has 16 divisors (see below), whose sum is σ = 429331129920. Its totient is φ = 69851493032.

The previous prime is 212110021999. The next prime is 212110022051. The reversal of 212110022022 is 220220011212.

It is a super-2 number, since 2×212110022022² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212110021992 and 212110022010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212961372 + ... + 212962367.

It is an arithmetic number, because the mean of its divisors is an integer number (26833195620).

Almost surely, 2^212110022022 is an apocalyptic number.

212110022022 is an abundant number, since it is smaller than the sum of its proper divisors (217221107898).

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

212110022022 is a wasteful number, since it uses less digits than its factorization.

212110022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425923827.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212110022022 its reverse (220220011212), we get a palindrome (432330033234).

The spelling of 212110022022 in words is "two hundred twelve billion, one hundred ten million, twenty-two thousand, twenty-two".