202110212220222 has 192 divisors, whose sum is σ = 449717666112000. Its totient is φ = 60272328695040.

The previous prime is 202110212220211. The next prime is 202110212220229. The reversal of 202110212220222 is 222022212011202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202110212220229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 35204702272 + ... + 35204708012.

It is an arithmetic number, because the mean of its divisors is an integer number (2342279511000).

Almost surely, 2^{202110212220222} is an apocalyptic number.

202110212220222 is an abundant number, since it is smaller than the sum of its proper divisors (247607453891778).

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

202110212220222 is a wasteful number, since it uses less digits than its factorization.

202110212220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7903 (or 7820 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 202110212220222 its reverse (222022212011202), we get a palindrome (424132424231424).

The spelling of 202110212220222 in words is "two hundred two trillion, one hundred ten billion, two hundred twelve million, two hundred twenty thousand, two hundred twenty-two".