10112000021021 has 6 divisors (see below), whose sum is σ = 10570767508350. Its totient is φ = 9672347845688.

The previous prime is 10112000021003. The next prime is 10112000021023. The reversal of 10112000021021 is 12012000021101.

It can be written as a sum of positive squares in only one way, i.e., 6051654120121 + 4060345900900 = 2460011^2 + 2015030^2 .

It is not a de Polignac number, because 10112000021021 - 2¹⁴ = 10112000004637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10112000020993 and 10112000021011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112000021023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9557655446 + ... + 9557656503.

It is an arithmetic number, because the mean of its divisors is an integer number (1761794584725).

Almost surely, 2^{10112000021021} is an apocalyptic number.

It is an amenable number.

10112000021021 is a deficient number, since it is larger than the sum of its proper divisors (458767487329).

10112000021021 is an equidigital number, since it uses as much as digits as its factorization.

10112000021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19115311995 (or 19115311972 counting only the distinct ones).

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

Adding to 10112000021021 its reverse (12012000021101), we get a palindrome (22124000042122).

The spelling of 10112000021021 in words is "ten trillion, one hundred twelve billion, twenty-one thousand, twenty-one".