101220113130000 has 100 divisors (see below), whose sum is σ = 326752021295568. Its totient is φ = 26992030160000.

The previous prime is 101220113129963. The next prime is 101220113130047. The reversal of 101220113130000 is 31311022101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×101220113130000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1686971886 + ... + 1687031885.

Almost surely, 2^{101220113130000} is an apocalyptic number.

101220113130000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101220113130000 is an abundant number, since it is smaller than the sum of its proper divisors (225531908165568).

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

101220113130000 is an equidigital number, since it uses as much as digits as its factorization.

101220113130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374003802 (or 3374003781 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 101220113130000 its reverse (31311022101), we get a palindrome (101251424152101).

The spelling of 101220113130000 in words is "one hundred one trillion, two hundred twenty billion, one hundred thirteen million, one hundred thirty thousand".