202122211010220 has 72 divisors (see below), whose sum is σ = 623154926000880. Its totient is φ = 53015661901440.

The previous prime is 202122211010197. The next prime is 202122211010233. The reversal of 202122211010220 is 22010112221202.

It is a happy number.

202122211010220 is a `hidden beast` number, since 2 + 0 + 212 + 221 + 1 + 0 + 10 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 202122211010193 and 202122211010202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9204096990 + ... + 9204118949.

It is an arithmetic number, because the mean of its divisors is an integer number (8654929527790).

Almost surely, 2^{202122211010220} is an apocalyptic number.

202122211010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202122211010220 is an abundant number, since it is smaller than the sum of its proper divisors (421032714990660).

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

202122211010220 is a wasteful number, since it uses less digits than its factorization.

202122211010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18408216015 (or 18408216010 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 202122211010220 its reverse (22010112221202), we get a palindrome (224132323231422).

The spelling of 202122211010220 in words is "two hundred two trillion, one hundred twenty-two billion, two hundred eleven million, ten thousand, two hundred twenty".