100001102212020 has 48 divisors (see below), whose sum is σ = 289658365032960. Its totient is φ = 25747410224256.

The previous prime is 100001102212007. The next prime is 100001102212031. The reversal of 100001102212020 is 20212201100001.

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 = 100001102211987 and 100001102212005.

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, 28735947172 + ... + 28735950651.

It is an arithmetic number, because the mean of its divisors is an integer number (6034549271520).

Almost surely, 2^{100001102212020} is an apocalyptic number.

100001102212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100001102212020 is an abundant number, since it is smaller than the sum of its proper divisors (189657262820940).

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

100001102212020 is a wasteful number, since it uses less digits than its factorization.

100001102212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57471897864 (or 57471897862 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100001102212020 its reverse (20212201100001), we get a palindrome (120213303312021).

The spelling of 100001102212020 in words is "one hundred trillion, one billion, one hundred two million, two hundred twelve thousand, twenty".