121134404431122 has 64 divisors (see below), whose sum is σ = 252637824503808. Its totient is φ = 38676807000000.

The previous prime is 121134404431087. The next prime is 121134404431123. The reversal of 121134404431122 is 221134404431121.

It is not an unprimeable number, because it can be changed into a prime (121134404431123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60081573 + ... + 62064999.

It is an arithmetic number, because the mean of its divisors is an integer number (3947466007872).

Almost surely, 2^{121134404431122} is an apocalyptic number.

121134404431122 is an abundant number, since it is smaller than the sum of its proper divisors (131503420072686).

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

121134404431122 is a wasteful number, since it uses less digits than its factorization.

121134404431122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986815.

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 121134404431122 its reverse (221134404431121), we get a palindrome (342268808862243).

Subtracting 121134404431122 from its reverse (221134404431121), we obtain a palindrome (99999999999999).

The spelling of 121134404431122 in words is "one hundred twenty-one trillion, one hundred thirty-four billion, four hundred four million, four hundred thirty-one thousand, one hundred twenty-two".