101133121244 has 72 divisors (see below), whose sum is σ = 196516938240. Its totient is φ = 45444745984.

The previous prime is 101133121211. The next prime is 101133121249. The reversal of 101133121244 is 442121331101.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101133121249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17199497 + ... + 17205375.

It is an arithmetic number, because the mean of its divisors is an integer number (2729401920).

Almost surely, 2^101133121244 is an apocalyptic number.

It is an amenable number.

101133121244 is a deficient number, since it is larger than the sum of its proper divisors (95383816996).

101133121244 is a wasteful number, since it uses less digits than its factorization.

101133121244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6587 (or 6568 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 101133121244 its reverse (442121331101), we get a palindrome (543254452345).

The spelling of 101133121244 in words is "one hundred one billion, one hundred thirty-three million, one hundred twenty-one thousand, two hundred forty-four".