2112022010021 has 16 divisors (see below), whose sum is σ = 2771758210560. Its totient is φ = 1559113991280.

The previous prime is 2112022009997. The next prime is 2112022010023. The reversal of 2112022010021 is 1200102202112.

It is a de Polignac number, because none of the positive numbers 2^k-2112022010021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112022009978 and 2112022010005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112022010023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 721810571 + ... + 721813496.

It is an arithmetic number, because the mean of its divisors is an integer number (173234888160).

Almost surely, 2^{2112022010021} is an apocalyptic number.

It is an amenable number.

2112022010021 is a deficient number, since it is larger than the sum of its proper divisors (659736200539).

2112022010021 is a wasteful number, since it uses less digits than its factorization.

2112022010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443624104.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2112022010021 its reverse (1200102202112), we get a palindrome (3312124212133).

The spelling of 2112022010021 in words is "two trillion, one hundred twelve billion, twenty-two million, ten thousand, twenty-one".