220022123291 has 4 divisors (see below), whose sum is σ = 225388516584. Its totient is φ = 214655730000.

The previous prime is 220022123281. The next prime is 220022123309. The reversal of 220022123291 is 192321220022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220022123291 - 2¹⁴ = 220022106907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220022123291.

It is not an unprimeable number, because it can be changed into a prime (220022123281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2683196585 + ... + 2683196666.

It is an arithmetic number, because the mean of its divisors is an integer number (56347129146).

Almost surely, 2^220022123291 is an apocalyptic number.

220022123291 is a deficient number, since it is larger than the sum of its proper divisors (5366393293).

220022123291 is an equidigital number, since it uses as much as digits as its factorization.

220022123291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5366393292.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 220022123291 in words is "two hundred twenty billion, twenty-two million, one hundred twenty-three thousand, two hundred ninety-one".