220133111257 has 2 divisors, whose sum is σ = 220133111258. Its totient is φ = 220133111256.

The previous prime is 220133111249. The next prime is 220133111287. The reversal of 220133111257 is 752111331022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198823242816 + 21309868441 = 445896^2 + 145979^2 .

It is a cyclic number.

It is not a de Polignac number, because 220133111257 - 2³ = 220133111249 is a prime.

It is not a weakly prime, because it can be changed into another prime (220133111287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110066555628 + 110066555629.

It is an arithmetic number, because the mean of its divisors is an integer number (110066555629).

Almost surely, 2^220133111257 is an apocalyptic number.

It is an amenable number.

220133111257 is a deficient number, since it is larger than the sum of its proper divisors (1).

220133111257 is an equidigital number, since it uses as much as digits as its factorization.

220133111257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

Adding to 220133111257 its reverse (752111331022), we get a palindrome (972244442279).

The spelling of 220133111257 in words is "two hundred twenty billion, one hundred thirty-three million, one hundred eleven thousand, two hundred fifty-seven".