2120100221022 has 32 divisors (see below), whose sum is σ = 4900392172800. Its totient is φ = 598936819008.

The previous prime is 2120100220993. The next prime is 2120100221033. The reversal of 2120100221022 is 2201220010212.

It is a junction number, because it is equal to n+sod(n) for n = 2120100220992 and 2120100221010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283583772 + ... + 283591247.

It is an arithmetic number, because the mean of its divisors is an integer number (153137255400).

Almost surely, 2^{2120100221022} is an apocalyptic number.

2120100221022 is an abundant number, since it is smaller than the sum of its proper divisors (2780291951778).

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

2120100221022 is a wasteful number, since it uses less digits than its factorization.

2120100221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567175120.

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

Adding to 2120100221022 its reverse (2201220010212), we get a palindrome (4321320231234).

The spelling of 2120100221022 in words is "two trillion, one hundred twenty billion, one hundred million, two hundred twenty-one thousand, twenty-two".