2231120100020 has 96 divisors (see below), whose sum is σ = 5642823384576. Its totient is φ = 724451904000.

The previous prime is 2231120100019. The next prime is 2231120100037. The reversal of 2231120100020 is 200010211322.

It is a happy number.

It is a super-3 number, since 3×2231120100020³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2231120099968 and 2231120100004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3104951 + ... + 3755390.

It is an arithmetic number, because the mean of its divisors is an integer number (58779410256).

Almost surely, 2^{2231120100020} is an apocalyptic number.

2231120100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231120100020 is an abundant number, since it is smaller than the sum of its proper divisors (3411703284556).

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

2231120100020 is a wasteful number, since it uses less digits than its factorization.

2231120100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6860481 (or 6860479 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2231120100020 its reverse (200010211322), we get a palindrome (2431130311342).

The spelling of 2231120100020 in words is "two trillion, two hundred thirty-one billion, one hundred twenty million, one hundred thousand, twenty".