111201220119977 has 16 divisors (see below), whose sum is σ = 124724064794112. Its totient is φ = 98466366882240.

The previous prime is 111201220119919. The next prime is 111201220119989. The reversal of 111201220119977 is 779911022102111.

It is a cyclic number.

It is not a de Polignac number, because 111201220119977 - 2¹⁴ = 111201220103593 is a prime.

It is a super-2 number, since 2×111201220119977² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111201220199977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1628047313 + ... + 1628115614.

It is an arithmetic number, because the mean of its divisors is an integer number (7795254049632).

Almost surely, 2^{111201220119977} is an apocalyptic number.

It is an amenable number.

111201220119977 is a deficient number, since it is larger than the sum of its proper divisors (13522844674135).

111201220119977 is a wasteful number, since it uses less digits than its factorization.

111201220119977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256163048.

The product of its (nonzero) digits is 31752, while the sum is 44.

The spelling of 111201220119977 in words is "one hundred eleven trillion, two hundred one billion, two hundred twenty million, one hundred nineteen thousand, nine hundred seventy-seven".