111112102002157 has 2 divisors, whose sum is σ = 111112102002158. Its totient is φ = 111112102002156.

The previous prime is 111112102002101. The next prime is 111112102002169. The reversal of 111112102002157 is 751200201211111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103004352599236 + 8107749402921 = 10149106^2 + 2847411^2 .

It is a cyclic number.

It is not a de Polignac number, because 111112102002157 - 2⁷ = 111112102002029 is a prime.

It is a super-2 number, since 2×111112102002157² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111112102002457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55556051001078 + 55556051001079.

It is an arithmetic number, because the mean of its divisors is an integer number (55556051001079).

Almost surely, 2^{111112102002157} is an apocalyptic number.

It is an amenable number.

111112102002157 is a deficient number, since it is larger than the sum of its proper divisors (1).

111112102002157 is an equidigital number, since it uses as much as digits as its factorization.

111112102002157 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 25.

Adding to 111112102002157 its reverse (751200201211111), we get a palindrome (862312303213268).

The spelling of 111112102002157 in words is "one hundred eleven trillion, one hundred twelve billion, one hundred two million, two thousand, one hundred fifty-seven".