121312101021122 has 24 divisors (see below), whose sum is σ = 204666081655728. Its totient is φ = 53859495163320.

The previous prime is 121312101021119. The next prime is 121312101021169. The reversal of 121312101021122 is 221120101213121.

It is a junction number, because it is equal to n+sod(n) for n = 121312101021094 and 121312101021103.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5828939288 + ... + 5828960099.

It is an arithmetic number, because the mean of its divisors is an integer number (8527753402322).

Almost surely, 2^{121312101021122} is an apocalyptic number.

121312101021122 is a deficient number, since it is larger than the sum of its proper divisors (83353980634606).

121312101021122 is a wasteful number, since it uses less digits than its factorization.

121312101021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11657899454 (or 11657899443 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 121312101021122 its reverse (221120101213121), we get a palindrome (342432202234243).

The spelling of 121312101021122 in words is "one hundred twenty-one trillion, three hundred twelve billion, one hundred one million, twenty-one thousand, one hundred twenty-two".