111121119977 has 8 divisors (see below), whose sum is σ = 127004195136. Its totient is φ = 95240202192.

The previous prime is 111121119947. The next prime is 111121120001. The reversal of 111121119977 is 779911121111.

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 111121119977 - 2¹⁶ = 111121054441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111121119937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427418 + ... + 636339.

It is an arithmetic number, because the mean of its divisors is an integer number (15875524392).

Almost surely, 2^111121119977 is an apocalyptic number.

It is an amenable number.

111121119977 is a deficient number, since it is larger than the sum of its proper divisors (15883075159).

111121119977 is a wasteful number, since it uses less digits than its factorization.

111121119977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078687.

The product of its digits is 7938, while the sum is 41.

The spelling of 111121119977 in words is "one hundred eleven billion, one hundred twenty-one million, one hundred nineteen thousand, nine hundred seventy-seven".