112201212157 has 2 divisors, whose sum is σ = 112201212158. Its totient is φ = 112201212156.

The previous prime is 112201212073. The next prime is 112201212161. The reversal of 112201212157 is 751212102211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112076978841 + 124233316 = 334779^2 + 11146^2 .

It is a cyclic number.

It is not a de Polignac number, because 112201212157 - 2⁷ = 112201212029 is a prime.

It is a super-2 number, since 2×112201212157² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112201212187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56100606078 + 56100606079.

It is an arithmetic number, because the mean of its divisors is an integer number (56100606079).

Almost surely, 2^112201212157 is an apocalyptic number.

It is an amenable number.

112201212157 is a deficient number, since it is larger than the sum of its proper divisors (1).

112201212157 is an equidigital number, since it uses as much as digits as its factorization.

112201212157 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 25.

Adding to 112201212157 its reverse (751212102211), we get a palindrome (863413314368).

The spelling of 112201212157 in words is "one hundred twelve billion, two hundred one million, two hundred twelve thousand, one hundred fifty-seven".