121115141511122 has 16 divisors (see below), whose sum is σ = 200006655710400. Its totient is φ = 54547269737040.

The previous prime is 121115141511103. The next prime is 121115141511179. The reversal of 121115141511122 is 221115141511121.

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, 25253363222 + ... + 25253368017.

It is an arithmetic number, because the mean of its divisors is an integer number (12500415981900).

Almost surely, 2^{121115141511122} is an apocalyptic number.

121115141511122 is a deficient number, since it is larger than the sum of its proper divisors (78891514199278).

121115141511122 is a wasteful number, since it uses less digits than its factorization.

121115141511122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50506731361.

The product of its digits is 800, while the sum is 29.

Subtracting 121115141511122 from its reverse (221115141511121), we obtain a palindrome (99999999999999).

The spelling of 121115141511122 in words is "one hundred twenty-one trillion, one hundred fifteen billion, one hundred forty-one million, five hundred eleven thousand, one hundred twenty-two".