212112220021022 has 32 divisors (see below), whose sum is σ = 335586964723200. Its totient is φ = 100272364171200.

The previous prime is 212112220020979. The next prime is 212112220021033. The reversal of 212112220021022 is 220120022211212.

It is a junction number, because it is equal to n+sod(n) for n = 212112220020985 and 212112220021003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222826697 + ... + 223776587.

It is an arithmetic number, because the mean of its divisors is an integer number (10487092647600).

Almost surely, 2^{212112220021022} is an apocalyptic number.

212112220021022 is a deficient number, since it is larger than the sum of its proper divisors (123474744702178).

212112220021022 is a wasteful number, since it uses less digits than its factorization.

212112220021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961712.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 212112220021022 its reverse (220120022211212), we get a palindrome (432232242232234).

The spelling of 212112220021022 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred twenty million, twenty-one thousand, twenty-two".