101121134412 has 24 divisors (see below), whose sum is σ = 241704176112. Its totient is φ = 32884921600.

The previous prime is 101121134383. The next prime is 101121134423. The reversal of 101121134412 is 214431121101.

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, 102764889 + ... + 102765872.

It is an arithmetic number, because the mean of its divisors is an integer number (10071007338).

Almost surely, 2^101121134412 is an apocalyptic number.

101121134412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101121134412 is an abundant number, since it is smaller than the sum of its proper divisors (140583041700).

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

101121134412 is a wasteful number, since it uses less digits than its factorization.

101121134412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205530809 (or 205530807 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 101121134412 its reverse (214431121101), we get a palindrome (315552255513).

The spelling of 101121134412 in words is "one hundred one billion, one hundred twenty-one million, one hundred thirty-four thousand, four hundred twelve".