202110212220202 has 64 divisors (see below), whose sum is σ = 357421991084928. Its totient is φ = 84502649088000.

The previous prime is 202110212220131. The next prime is 202110212220211. The reversal of 202110212220202 is 202022212011202.

It is a self number, because there is not a number n which added to its sum of digits gives 202110212220202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 329917302 + ... + 330529342.

It is an arithmetic number, because the mean of its divisors is an integer number (5584718610702).

Almost surely, 2^{202110212220202} is an apocalyptic number.

202110212220202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202110212220202 is a deficient number, since it is larger than the sum of its proper divisors (155311778864726).

202110212220202 is a wasteful number, since it uses less digits than its factorization.

202110212220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616135.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202110212220202 its reverse (202022212011202), we get a palindrome (404132424231404).

The spelling of 202110212220202 in words is "two hundred two trillion, one hundred ten billion, two hundred twelve million, two hundred twenty thousand, two hundred two".