101015055200 has 36 divisors (see below), whose sum is σ = 246603005460. Its totient is φ = 40406021760.

The previous prime is 101015055179. The next prime is 101015055203. The reversal of 101015055200 is 2550510101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101015055203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63133610 + ... + 63135209.

It is an arithmetic number, because the mean of its divisors is an integer number (6850083485).

Almost surely, 2^101015055200 is an apocalyptic number.

101015055200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101015055200 is an abundant number, since it is smaller than the sum of its proper divisors (145587950260).

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

101015055200 is a wasteful number, since it uses less digits than its factorization.

101015055200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126268839 (or 126268826 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 20.

Adding to 101015055200 its reverse (2550510101), we get a palindrome (103565565301).

The spelling of 101015055200 in words is "one hundred one billion, fifteen million, fifty-five thousand, two hundred".