121122111132 has 48 divisors (see below), whose sum is σ = 342567590400. Its totient is φ = 36703669680.

The previous prime is 121122111079. The next prime is 121122111157. The reversal of 121122111132 is 231111221121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50976132 + ... + 50978507.

It is an arithmetic number, because the mean of its divisors is an integer number (7136824800).

Almost surely, 2^121122111132 is an apocalyptic number.

121122111132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121122111132 is an abundant number, since it is smaller than the sum of its proper divisors (221445479268).

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

121122111132 is a wasteful number, since it uses less digits than its factorization.

121122111132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101954663 (or 101954655 counting only the distinct ones).

The product of its digits is 48, while the sum is 18.

Adding to 121122111132 its reverse (231111221121), we get a palindrome (352233332253).

The spelling of 121122111132 in words is "one hundred twenty-one billion, one hundred twenty-two million, one hundred eleven thousand, one hundred thirty-two".