102220010257 has 2 divisors, whose sum is σ = 102220010258. Its totient is φ = 102220010256.

The previous prime is 102220010251. The next prime is 102220010327. The reversal of 102220010257 is 752010022201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92027896321 + 10192113936 = 303361^2 + 100956^2 .

It is a cyclic number.

It is not a de Polignac number, because 102220010257 - 2⁷ = 102220010129 is a prime.

It is a super-3 number, since 3×102220010257³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (102220010251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110005128 + 51110005129.

It is an arithmetic number, because the mean of its divisors is an integer number (51110005129).

Almost surely, 2^102220010257 is an apocalyptic number.

It is an amenable number.

102220010257 is a deficient number, since it is larger than the sum of its proper divisors (1).

102220010257 is an equidigital number, since it uses as much as digits as its factorization.

102220010257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 22.

Adding to 102220010257 its reverse (752010022201), we get a palindrome (854230032458).

The spelling of 102220010257 in words is "one hundred two billion, two hundred twenty million, ten thousand, two hundred fifty-seven".