121122100022212 has 12 divisors (see below), whose sum is σ = 212517105002496. Its totient is φ = 60402927164360.

The previous prime is 121122100022177. The next prime is 121122100022299. The reversal of 121122100022212 is 212220001221121.

It is a super-2 number, since 2×121122100022212² (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 121122100022212.

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, 39530709964 + ... + 39530713027.

It is an arithmetic number, because the mean of its divisors is an integer number (17709758750208).

Almost surely, 2^{121122100022212} is an apocalyptic number.

It is an amenable number.

121122100022212 is a deficient number, since it is larger than the sum of its proper divisors (91395004980284).

121122100022212 is a wasteful number, since it uses less digits than its factorization.

121122100022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79061423378 (or 79061423376 counting only the distinct ones).

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

Adding to 121122100022212 its reverse (212220001221121), we get a palindrome (333342101243333).

The spelling of 121122100022212 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred million, twenty-two thousand, two hundred twelve".