101221010022212 has 12 divisors (see below), whose sum is σ = 177137148538560. Its totient is φ = 50610396154056.

The previous prime is 101221010022199. The next prime is 101221010022233. The reversal of 101221010022212 is 212220010122101.

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 3 ways as a sum of consecutive naturals, for example, 25103912 + ... + 28855647.

It is an arithmetic number, because the mean of its divisors is an integer number (14761429044880).

Almost surely, 2^{101221010022212} is an apocalyptic number.

It is an amenable number.

101221010022212 is a deficient number, since it is larger than the sum of its proper divisors (75916138516348).

101221010022212 is a wasteful number, since it uses less digits than its factorization.

101221010022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54428530 (or 54428528 counting only the distinct ones).

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

Adding to 101221010022212 its reverse (212220010122101), we get a palindrome (313441020144313).

The spelling of 101221010022212 in words is "one hundred one trillion, two hundred twenty-one billion, ten million, twenty-two thousand, two hundred twelve".