121222212010122 has 16 divisors (see below), whose sum is σ = 245765580514560. Its totient is φ = 39853877920992.

The previous prime is 121222212010099. The next prime is 121222212010183. The reversal of 121222212010122 is 221010212222121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138381520122 + ... + 138381520997.

It is an arithmetic number, because the mean of its divisors is an integer number (15360348782160).

Almost surely, 2^{121222212010122} is an apocalyptic number.

121222212010122 is an abundant number, since it is smaller than the sum of its proper divisors (124543368504438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121222212010122 is a wasteful number, since it uses less digits than its factorization.

121222212010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276763041197.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 121222212010122 its reverse (221010212222121), we get a palindrome (342232424232243).

The spelling of 121222212010122 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, two hundred twelve million, ten thousand, one hundred twenty-two".