10012211100020 has 24 divisors (see below), whose sum is σ = 21034166171424. Its totient is φ = 4003261037856.

The previous prime is 10012211100019. The next prime is 10012211100061. The reversal of 10012211100020 is 2000111221001.

It is a super-2 number, since 2×10012211100020² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10012211099974 and 10012211100010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101412062 + ... + 101510741.

It is an arithmetic number, because the mean of its divisors is an integer number (876423590476).

Almost surely, 2^{10012211100020} is an apocalyptic number.

10012211100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10012211100020 is an abundant number, since it is smaller than the sum of its proper divisors (11021955071404).

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

10012211100020 is a wasteful number, since it uses less digits than its factorization.

10012211100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202925279 (or 202925277 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10012211100020 its reverse (2000111221001), we get a palindrome (12012322321021).

The spelling of 10012211100020 in words is "ten trillion, twelve billion, two hundred eleven million, one hundred thousand, twenty".