220101100112057 has 2 divisors, whose sum is σ = 220101100112058. Its totient is φ = 220101100112056.

The previous prime is 220101100111943. The next prime is 220101100112093. The reversal of 220101100112057 is 750211001101022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219822700363561 + 278399748496 = 14826419^2 + 527636^2 .

It is a cyclic number.

It is not a de Polignac number, because 220101100112057 - 2¹⁸ = 220101099849913 is a prime.

It is not a weakly prime, because it can be changed into another prime (220101100142057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110050550056028 + 110050550056029.

It is an arithmetic number, because the mean of its divisors is an integer number (110050550056029).

Almost surely, 2^{220101100112057} is an apocalyptic number.

It is an amenable number.

220101100112057 is a deficient number, since it is larger than the sum of its proper divisors (1).

220101100112057 is an equidigital number, since it uses as much as digits as its factorization.

220101100112057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 23.

Adding to 220101100112057 its reverse (750211001101022), we get a palindrome (970312101213079).

The spelling of 220101100112057 in words is "two hundred twenty trillion, one hundred one billion, one hundred million, one hundred twelve thousand, fifty-seven".