101221102022212 has 12 divisors (see below), whose sum is σ = 178531707504640. Its totient is φ = 50212042735176.

The previous prime is 101221102022189. The next prime is 101221102022309. The reversal of 101221102022212 is 212220201122101.

It is a super-2 number, since 2×101221102022212² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101221102022212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99627068412 + ... + 99627069427.

Almost surely, 2^{101221102022212} is an apocalyptic number.

It is an amenable number.

101221102022212 is a deficient number, since it is larger than the sum of its proper divisors (77310605482428).

101221102022212 is a wasteful number, since it uses less digits than its factorization.

101221102022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199254137970 (or 199254137968 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 101221102022212 its reverse (212220201122101), we get a palindrome (313441303144313).

The spelling of 101221102022212 in words is "one hundred one trillion, two hundred twenty-one billion, one hundred two million, twenty-two thousand, two hundred twelve".