100231021203102 has 12 divisors (see below), whose sum is σ = 217167212606760. Its totient is φ = 33410340401028.

The previous prime is 100231021203043. The next prime is 100231021203107. The reversal of 100231021203102 is 201302120132001.

100231021203102 is a `hidden beast` number, since 1 + 0 + 0 + 2 + 310 + 21 + 20 + 310 + 2 = 666.

It is a super-2 number, since 2×100231021203102² (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), and also a Moran number because the ratio is a prime number: 5568390066839 = 100231021203102 / (1 + 0 + 0 + 2 + 3 + 1 + 0 + 2 + 1 + 2 + 0 + 3 + 1 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100231021203107) 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, 2784195033402 + ... + 2784195033437.

It is an arithmetic number, because the mean of its divisors is an integer number (18097267717230).

Almost surely, 2^{100231021203102} is an apocalyptic number.

100231021203102 is an abundant number, since it is smaller than the sum of its proper divisors (116936191403658).

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

100231021203102 is a wasteful number, since it uses less digits than its factorization.

100231021203102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5568390066847 (or 5568390066844 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 100231021203102 its reverse (201302120132001), we get a palindrome (301533141335103).

The spelling of 100231021203102 in words is "one hundred trillion, two hundred thirty-one billion, twenty-one million, two hundred three thousand, one hundred two".