202020211110212 has 18 divisors (see below), whose sum is σ = 388596728396814. Its totient is φ = 91827368686240.

The previous prime is 202020211110169. The next prime is 202020211110217. The reversal of 202020211110212 is 212011112020202.

It can be written as a sum of positive squares in only one way, i.e., 152199002914816 + 49821208195396 = 12336896^2 + 7058414^2 .

It is a super-2 number, since 2×202020211110212² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202020211110217) 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 5 ways as a sum of consecutive naturals, for example, 208698564713 + ... + 208698565680.

Almost surely, 2^{202020211110212} is an apocalyptic number.

202020211110212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

202020211110212 is a deficient number, since it is larger than the sum of its proper divisors (186576517286602).

202020211110212 is a wasteful number, since it uses less digits than its factorization.

202020211110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417397130419 (or 417397130406 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202020211110212 its reverse (212011112020202), we get a palindrome (414031323130414).

The spelling of 202020211110212 in words is "two hundred two trillion, twenty billion, two hundred eleven million, one hundred ten thousand, two hundred twelve".