100322011020 has 144 divisors (see below), whose sum is σ = 356468974848. Its totient is φ = 20846125440.

The previous prime is 100322011007. The next prime is 100322011099. The reversal of 100322011020 is 20110223001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 100322010987 and 100322011005.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1518712 + ... + 1583391.

It is an arithmetic number, because the mean of its divisors is an integer number (2475478992).

Almost surely, 2^100322011020 is an apocalyptic number.

100322011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100322011020 is an abundant number, since it is smaller than the sum of its proper divisors (256146963828).

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

100322011020 is a wasteful number, since it uses less digits than its factorization.

100322011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3102140 (or 3102131 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 100322011020 its reverse (20110223001), we get a palindrome (120432234021).

The spelling of 100322011020 in words is "one hundred billion, three hundred twenty-two million, eleven thousand, twenty".