212101022022 has 16 divisors (see below), whose sum is σ = 424245807360. Its totient is φ = 70693046792.

The previous prime is 212101022009. The next prime is 212101022033. The reversal of 212101022022 is 220220101212.

It is a junction number, because it is equal to n+sod(n) for n = 212101021992 and 212101022010.

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, 1760298 + ... + 1876925.

It is an arithmetic number, because the mean of its divisors is an integer number (26515362960).

Almost surely, 2^212101022022 is an apocalyptic number.

212101022022 is an abundant number, since it is smaller than the sum of its proper divisors (212144785338).

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

212101022022 is a wasteful number, since it uses less digits than its factorization.

212101022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646947.

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

Adding to 212101022022 its reverse (220220101212), we get a palindrome (432321123234).

The spelling of 212101022022 in words is "two hundred twelve billion, one hundred one million, twenty-two thousand, twenty-two".