131022201212100 has 216 divisors, whose sum is σ = 460125076651968. Its totient is φ = 30904499462400.

The previous prime is 131022201212099. The next prime is 131022201212113. The reversal of 131022201212100 is 1212102220131.

131022201212100 is a `hidden beast` number, since 1 + 310 + 2 + 2 + 20 + 121 + 210 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 178479184 + ... + 179211783.

Almost surely, 2^{131022201212100} is an apocalyptic number.

131022201212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131022201212100 is an abundant number, since it is smaller than the sum of its proper divisors (329102875439868).

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

131022201212100 is a wasteful number, since it uses less digits than its factorization.

131022201212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357691035 (or 357691025 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 131022201212100 its reverse (1212102220131), we get a palindrome (132234303432231).

The spelling of 131022201212100 in words is "one hundred thirty-one trillion, twenty-two billion, two hundred one million, two hundred twelve thousand, one hundred".