100011220200020 has 96 divisors (see below), whose sum is σ = 231163201382400. Its totient is φ = 36176767254144.

The previous prime is 100011220199983. The next prime is 100011220200041. The reversal of 100011220200020 is 20002022110001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100011220199974 and 100011220200010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7492010 + ... + 16004769.

It is an arithmetic number, because the mean of its divisors is an integer number (2407950014400).

Almost surely, 2^{100011220200020} is an apocalyptic number.

100011220200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100011220200020 is an abundant number, since it is smaller than the sum of its proper divisors (131151981182380).

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

100011220200020 is a wasteful number, since it uses less digits than its factorization.

100011220200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23497317 (or 23497315 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100011220200020 its reverse (20002022110001), we get a palindrome (120013242310021).

The spelling of 100011220200020 in words is "one hundred trillion, eleven billion, two hundred twenty million, two hundred thousand, twenty".