220022021129 has 2 divisors, whose sum is σ = 220022021130. Its totient is φ = 220022021128.

The previous prime is 220022021071. The next prime is 220022021147. The reversal of 220022021129 is 921120220022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171518565904 + 48503455225 = 414148^2 + 220235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220022021129 is a prime.

It is not a weakly prime, because it can be changed into another prime (220022021179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110011010564 + 110011010565.

It is an arithmetic number, because the mean of its divisors is an integer number (110011010565).

Almost surely, 2^220022021129 is an apocalyptic number.

It is an amenable number.

220022021129 is a deficient number, since it is larger than the sum of its proper divisors (1).

220022021129 is an equidigital number, since it uses as much as digits as its factorization.

220022021129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 220022021129 in words is "two hundred twenty billion, twenty-two million, twenty-one thousand, one hundred twenty-nine".