101131323112220 has 24 divisors (see below), whose sum is σ = 212378656359744. Its totient is φ = 40451981087936.

The previous prime is 101131323112103. The next prime is 101131323112289. The reversal of 101131323112220 is 22211323131101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32745332 + ... + 35700411.

It is an arithmetic number, because the mean of its divisors is an integer number (8849110681656).

Almost surely, 2^{101131323112220} is an apocalyptic number.

101131323112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101131323112220 is an abundant number, since it is smaller than the sum of its proper divisors (111247333247524).

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

101131323112220 is a wasteful number, since it uses less digits than its factorization.

101131323112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68519629 (or 68519627 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 101131323112220 its reverse (22211323131101), we get a palindrome (123342646243321).

The spelling of 101131323112220 in words is "one hundred one trillion, one hundred thirty-one billion, three hundred twenty-three million, one hundred twelve thousand, two hundred twenty".