2210022112021 has 4 divisors (see below), whose sum is σ = 2210159473344. Its totient is φ = 2209884750700.

The previous prime is 2210022111991. The next prime is 2210022112033. The reversal of 2210022112021 is 1202112200122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2210022112021 - 2¹⁵ = 2210022079253 is a prime.

It is a super-2 number, since 2×2210022112021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2210022111986 and 2210022112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210022119021) 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 3 ways as a sum of consecutive naturals, for example, 68656525 + ... + 68688706.

It is an arithmetic number, because the mean of its divisors is an integer number (552539868336).

Almost surely, 2^{2210022112021} is an apocalyptic number.

It is an amenable number.

2210022112021 is a deficient number, since it is larger than the sum of its proper divisors (137361323).

2210022112021 is a wasteful number, since it uses less digits than its factorization.

2210022112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137361322.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2210022112021 its reverse (1202112200122), we get a palindrome (3412134312143).

The spelling of 2210022112021 in words is "two trillion, two hundred ten billion, twenty-two million, one hundred twelve thousand, twenty-one".