121122110102212 has 12 divisors (see below), whose sum is σ = 211964590106640. Its totient is φ = 60560798643176.

The previous prime is 121122110102209. The next prime is 121122110102237. The reversal of 121122110102212 is 212201011221121.

It is a happy number.

It is a super-2 number, since 2×121122110102212² (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 121122110102212.

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, 63037162 + ... + 64930177.

It is an arithmetic number, because the mean of its divisors is an integer number (17663715842220).

Almost surely, 2^{121122110102212} is an apocalyptic number.

It is an amenable number.

121122110102212 is a deficient number, since it is larger than the sum of its proper divisors (90842480004428).

121122110102212 is a wasteful number, since it uses less digits than its factorization.

121122110102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128203970 (or 128203968 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121122110102212 its reverse (212201011221121), we get a palindrome (333323121323333).

The spelling of 121122110102212 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred ten million, one hundred two thousand, two hundred twelve".