111566022120157 has 8 divisors (see below), whose sum is σ = 122583987681120. Its totient is φ = 100693989878160.

The previous prime is 111566022120149. The next prime is 111566022120193. The reversal of 111566022120157 is 751021220665111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111566022120157 - 2³ = 111566022120149 is a prime.

It is a super-2 number, since 2×111566022120157² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111566022120107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36483328138 + ... + 36483331195.

It is an arithmetic number, because the mean of its divisors is an integer number (15322998460140).

Almost surely, 2^{111566022120157} is an apocalyptic number.

It is an amenable number.

111566022120157 is a deficient number, since it is larger than the sum of its proper divisors (11017965560963).

111566022120157 is a wasteful number, since it uses less digits than its factorization.

111566022120157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72966659483.

The product of its (nonzero) digits is 50400, while the sum is 40.

Adding to 111566022120157 its reverse (751021220665111), we get a palindrome (862587242785268).

The spelling of 111566022120157 in words is "one hundred eleven trillion, five hundred sixty-six billion, twenty-two million, one hundred twenty thousand, one hundred fifty-seven".