111002201257 has 2 divisors, whose sum is σ = 111002201258. Its totient is φ = 111002201256.

The previous prime is 111002201207. The next prime is 111002201269. The reversal of 111002201257 is 752102200111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87058043136 + 23944158121 = 295056^2 + 154739^2 .

It is a cyclic number.

It is not a de Polignac number, because 111002201257 - 2¹⁵ = 111002168489 is a prime.

It is not a weakly prime, because it can be changed into another prime (111002201207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55501100628 + 55501100629.

It is an arithmetic number, because the mean of its divisors is an integer number (55501100629).

Almost surely, 2^111002201257 is an apocalyptic number.

It is an amenable number.

111002201257 is a deficient number, since it is larger than the sum of its proper divisors (1).

111002201257 is an equidigital number, since it uses as much as digits as its factorization.

111002201257 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 22.

Adding to 111002201257 its reverse (752102200111), we get a palindrome (863104401368).

The spelling of 111002201257 in words is "one hundred eleven billion, two million, two hundred one thousand, two hundred fifty-seven".