10112210222221 has 4 divisors (see below), whose sum is σ = 10112225296000. Its totient is φ = 10112195148444.

The previous prime is 10112210222183. The next prime is 10112210222243. The reversal of 10112210222221 is 12222201221101.

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 10112210222221 - 2³⁹ = 9562454408333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112210222291) 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 3 ways as a sum of consecutive naturals, for example, 6481341 + ... + 7888738.

It is an arithmetic number, because the mean of its divisors is an integer number (2528056324000).

Almost surely, 2^{10112210222221} is an apocalyptic number.

It is an amenable number.

10112210222221 is a deficient number, since it is larger than the sum of its proper divisors (15073779).

10112210222221 is an equidigital number, since it uses as much as digits as its factorization.

10112210222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15073778.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10112210222221 its reverse (12222201221101), we get a palindrome (22334411443322).

The spelling of 10112210222221 in words is "ten trillion, one hundred twelve billion, two hundred ten million, two hundred twenty-two thousand, two hundred twenty-one".