22102101024257 has 2 divisors, whose sum is σ = 22102101024258. Its totient is φ = 22102101024256.

The previous prime is 22102101024239. The next prime is 22102101024287. The reversal of 22102101024257 is 75242010120122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22057262538256 + 44838486001 = 4696516^2 + 211751^2 .

It is a cyclic number.

It is not a de Polignac number, because 22102101024257 - 2¹⁴ = 22102101007873 is a prime.

It is not a weakly prime, because it can be changed into another prime (22102101024287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051050512128 + 11051050512129.

It is an arithmetic number, because the mean of its divisors is an integer number (11051050512129).

Almost surely, 2^{22102101024257} is an apocalyptic number.

It is an amenable number.

22102101024257 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102101024257 is an equidigital number, since it uses as much as digits as its factorization.

22102101024257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 29.

Adding to 22102101024257 its reverse (75242010120122), we get a palindrome (97344111144379).

The spelling of 22102101024257 in words is "twenty-two trillion, one hundred two billion, one hundred one million, twenty-four thousand, two hundred fifty-seven".