130111020131220 has 144 divisors (see below), whose sum is σ = 403754002299648. Its totient is φ = 33900202010880.

The previous prime is 130111020131219. The next prime is 130111020131227. The reversal of 130111020131220 is 22131020111031.

130111020131220 is a `hidden beast` number, since 1 + 301 + 1 + 10 + 2 + 0 + 131 + 220 = 666.

It is a super-2 number, since 2×130111020131220² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 130111020131193 and 130111020131202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130111020131227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8134111 + ... + 18066150.

It is an arithmetic number, because the mean of its divisors is an integer number (2803847238192).

Almost surely, 2^{130111020131220} is an apocalyptic number.

130111020131220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130111020131220 is an abundant number, since it is smaller than the sum of its proper divisors (273642982168428).

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

130111020131220 is a wasteful number, since it uses less digits than its factorization.

130111020131220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26200910 (or 26200905 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 130111020131220 its reverse (22131020111031), we get a palindrome (152242040242251).

The spelling of 130111020131220 in words is "one hundred thirty trillion, one hundred eleven billion, twenty million, one hundred thirty-one thousand, two hundred twenty".