101091001112 has 32 divisors (see below), whose sum is σ = 190740614400. Its totient is φ = 50227029024.

The previous prime is 101091001079. The next prime is 101091001157. The reversal of 101091001112 is 211100190101.

It is a happy number.

It is a congruent number.

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, 5038733 + ... + 5058755.

It is an arithmetic number, because the mean of its divisors is an integer number (5960644200).

Almost surely, 2^101091001112 is an apocalyptic number.

It is an amenable number.

101091001112 is a deficient number, since it is larger than the sum of its proper divisors (89649613288).

101091001112 is a wasteful number, since it uses less digits than its factorization.

101091001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23975 (or 23971 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 17.

Adding to 101091001112 its reverse (211100190101), we get a palindrome (312191191213).

The spelling of 101091001112 in words is "one hundred one billion, ninety-one million, one thousand, one hundred twelve".