101105193172 has 12 divisors (see below), whose sum is σ = 184626874656. Its totient is φ = 48354657560.

The previous prime is 101105193169. The next prime is 101105193179. The reversal of 101105193172 is 271391501101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101105193179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549484654 + ... + 549484837.

It is an arithmetic number, because the mean of its divisors is an integer number (15385572888).

Almost surely, 2^101105193172 is an apocalyptic number.

It is an amenable number.

101105193172 is a deficient number, since it is larger than the sum of its proper divisors (83521681484).

101105193172 is a wasteful number, since it uses less digits than its factorization.

101105193172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098969518 (or 1098969516 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 31.

Adding to 101105193172 its reverse (271391501101), we get a palindrome (372496694273).

The spelling of 101105193172 in words is "one hundred one billion, one hundred five million, one hundred ninety-three thousand, one hundred seventy-two".