101211103200 has 72 divisors (see below), whose sum is σ = 329442148728. Its totient is φ = 26989626880.

The previous prime is 101211103183. The next prime is 101211103229. The reversal of 101211103200 is 2301112101.

It is a super-2 number, since 2×101211103200² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21083247 + ... + 21088046.

It is an arithmetic number, because the mean of its divisors is an integer number (4575585399).

Almost surely, 2^101211103200 is an apocalyptic number.

101211103200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101211103200 is an abundant number, since it is smaller than the sum of its proper divisors (228231045528).

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

101211103200 is a wasteful number, since it uses less digits than its factorization.

101211103200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42171316 (or 42171303 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 101211103200 its reverse (2301112101), we get a palindrome (103512215301).

The spelling of 101211103200 in words is "one hundred one billion, two hundred eleven million, one hundred three thousand, two hundred".