112120021102157 has 2 divisors, whose sum is σ = 112120021102158. Its totient is φ = 112120021102156.

The previous prime is 112120021102139. The next prime is 112120021102183. The reversal of 112120021102157 is 751201120021211.

It is an a-pointer prime, because the next prime (112120021102183) can be obtained adding 112120021102157 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69681323881156 + 42438697221001 = 8347534^2 + 6514499^2 .

It is a cyclic number.

It is not a de Polignac number, because 112120021102157 - 2³⁴ = 112102841232973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112120021102357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56060010551078 + 56060010551079.

It is an arithmetic number, because the mean of its divisors is an integer number (56060010551079).

Almost surely, 2^{112120021102157} is an apocalyptic number.

It is an amenable number.

112120021102157 is a deficient number, since it is larger than the sum of its proper divisors (1).

112120021102157 is an equidigital number, since it uses as much as digits as its factorization.

112120021102157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 26.

Adding to 112120021102157 its reverse (751201120021211), we get a palindrome (863321141123368).

The spelling of 112120021102157 in words is "one hundred twelve trillion, one hundred twenty billion, twenty-one million, one hundred two thousand, one hundred fifty-seven".