121021011021122 has 32 divisors (see below), whose sum is σ = 189028960569792. Its totient is φ = 58059410520384.

The previous prime is 121021011021089. The next prime is 121021011021133. The reversal of 121021011021122 is 221120110120121.

It is a self number, because there is not a number n which added to its sum of digits gives 121021011021122.

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 15 ways as a sum of consecutive naturals, for example, 14651153 + ... + 21370500.

It is an arithmetic number, because the mean of its divisors is an integer number (5907155017806).

Almost surely, 2^{121021011021122} is an apocalyptic number.

121021011021122 is a deficient number, since it is larger than the sum of its proper divisors (68007949548670).

121021011021122 is a wasteful number, since it uses less digits than its factorization.

121021011021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36022322.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121021011021122 its reverse (221120110120121), we get a palindrome (342141121141243).

The spelling of 121021011021122 in words is "one hundred twenty-one trillion, twenty-one billion, eleven million, twenty-one thousand, one hundred twenty-two".