101322120020 has 48 divisors (see below), whose sum is σ = 237781244736. Its totient is φ = 35945760000.

The previous prime is 101322120017. The next prime is 101322120037. The reversal of 101322120020 is 20021223101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101322119977 and 101322120004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5607506 + ... + 5625545.

It is an arithmetic number, because the mean of its divisors is an integer number (4953775932).

Almost surely, 2^101322120020 is an apocalyptic number.

101322120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101322120020 is an abundant number, since it is smaller than the sum of its proper divisors (136459124716).

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

101322120020 is a wasteful number, since it uses less digits than its factorization.

101322120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11233112 (or 11233110 counting only the distinct ones).

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

Adding to 101322120020 its reverse (20021223101), we get a palindrome (121343343121).

The spelling of 101322120020 in words is "one hundred one billion, three hundred twenty-two million, one hundred twenty thousand, twenty".