212021211120222 has 32 divisors (see below), whose sum is σ = 484770367793664. Its totient is φ = 60558681808800.

The previous prime is 212021211120217. The next prime is 212021211120421. The reversal of 212021211120222 is 222021112120212.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 783491554 + ... + 783762117.

It is an arithmetic number, because the mean of its divisors is an integer number (15149073993552).

Almost surely, 2^{212021211120222} is an apocalyptic number.

212021211120222 is an abundant number, since it is smaller than the sum of its proper divisors (272749156673442).

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

212021211120222 is a wasteful number, since it uses less digits than its factorization.

212021211120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567256904.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212021211120222 its reverse (222021112120212), we get a palindrome (434042323240434).

The spelling of 212021211120222 in words is "two hundred twelve trillion, twenty-one billion, two hundred eleven million, one hundred twenty thousand, two hundred twenty-two".