220112121313157 has 2 divisors, whose sum is σ = 220112121313158. Its totient is φ = 220112121313156.

The previous prime is 220112121313127. The next prime is 220112121313171. The reversal of 220112121313157 is 751313121211022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207110839691716 + 13001281621441 = 14391346^2 + 3605729^2 .

It is a cyclic number.

It is not a de Polignac number, because 220112121313157 - 2¹⁰ = 220112121312133 is a prime.

It is a super-2 number, since 2×220112121313157² (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 (220112121313127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110056060656578 + 110056060656579.

It is an arithmetic number, because the mean of its divisors is an integer number (110056060656579).

Almost surely, 2^{220112121313157} is an apocalyptic number.

It is an amenable number.

220112121313157 is a deficient number, since it is larger than the sum of its proper divisors (1).

220112121313157 is an equidigital number, since it uses as much as digits as its factorization.

220112121313157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

Adding to 220112121313157 its reverse (751313121211022), we get a palindrome (971425242524179).

The spelling of 220112121313157 in words is "two hundred twenty trillion, one hundred twelve billion, one hundred twenty-one million, three hundred thirteen thousand, one hundred fifty-seven".