1010012200021 has 16 divisors (see below), whose sum is σ = 1115238394368. Its totient is φ = 907023106800.

The previous prime is 1010012199983. The next prime is 1010012200031. The reversal of 1010012200021 is 1200022100101.

It is a cyclic number.

It is not a de Polignac number, because 1010012200021 - 2³³ = 1001422265429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010012199980 and 1010012200007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010012200031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8239240 + ... + 8360926.

It is an arithmetic number, because the mean of its divisors is an integer number (69702399648).

Almost surely, 2^{1010012200021} is an apocalyptic number.

1010012200021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1010012200021 is a deficient number, since it is larger than the sum of its proper divisors (105226194347).

1010012200021 is a wasteful number, since it uses less digits than its factorization.

1010012200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130872.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1010012200021 its reverse (1200022100101), we get a palindrome (2210034300122).

The spelling of 1010012200021 in words is "one trillion, ten billion, twelve million, two hundred thousand, twenty-one".