101121323012 has 24 divisors (see below), whose sum is σ = 181293124320. Its totient is φ = 49323487040.

The previous prime is 101121322999. The next prime is 101121323021. The reversal of 101121323012 is 210323121101.

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, 3723539 + ... + 3750597.

It is an arithmetic number, because the mean of its divisors is an integer number (7553880180).

Almost surely, 2^101121323012 is an apocalyptic number.

It is an amenable number.

101121323012 is a deficient number, since it is larger than the sum of its proper divisors (80171801308).

101121323012 is a wasteful number, since it uses less digits than its factorization.

101121323012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49891 (or 49889 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 101121323012 its reverse (210323121101), we get a palindrome (311444444113).

The spelling of 101121323012 in words is "one hundred one billion, one hundred twenty-one million, three hundred twenty-three thousand, twelve".