100131211022020 has 24 divisors (see below), whose sum is σ = 210277563842304. Its totient is φ = 40052099514336.

The previous prime is 100131211021999. The next prime is 100131211022083. The reversal of 100131211022020 is 20220112131001.

It is a junction number, because it is equal to n+sod(n) for n = 100131211021985 and 100131211022003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21918022 + ... + 26089501.

It is an arithmetic number, because the mean of its divisors is an integer number (8761565160096).

Almost surely, 2^{100131211022020} is an apocalyptic number.

100131211022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100131211022020 is an abundant number, since it is smaller than the sum of its proper divisors (110146352820284).

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

100131211022020 is a wasteful number, since it uses less digits than its factorization.

100131211022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48111819 (or 48111817 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 100131211022020 its reverse (20220112131001), we get a palindrome (120351323153021).

The spelling of 100131211022020 in words is "one hundred trillion, one hundred thirty-one billion, two hundred eleven million, twenty-two thousand, twenty".