920112121110997 has 2 divisors, whose sum is σ = 920112121110998. Its totient is φ = 920112121110996.

The previous prime is 920112121110971. The next prime is 920112121111081. The reversal of 920112121110997 is 799011121211029.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 620211258129681 + 299900862981316 = 24904041^2 + 17317646^2 .

It is an emirp because it is prime and its reverse (799011121211029) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 920112121110997 - 2²⁷ = 920111986893269 is a prime.

It is a super-2 number, since 2×920112121110997² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920112121116997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460056060555498 + 460056060555499.

It is an arithmetic number, because the mean of its divisors is an integer number (460056060555499).

Almost surely, 2^{920112121110997} is an apocalyptic number.

It is an amenable number.

920112121110997 is a deficient number, since it is larger than the sum of its proper divisors (1).

920112121110997 is an equidigital number, since it uses as much as digits as its factorization.

920112121110997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 46.

The spelling of 920112121110997 in words is "nine hundred twenty trillion, one hundred twelve billion, one hundred twenty-one million, one hundred ten thousand, nine hundred ninety-seven".