111020112022001 has 16 divisors (see below), whose sum is σ = 137106486499584. Its totient is φ = 87540293087424.

The previous prime is 111020112021971. The next prime is 111020112022009. The reversal of 111020112022001 is 100220211020111.

It is a cyclic number.

It is not a de Polignac number, because 111020112022001 - 2²² = 111020107827697 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111020112022009) 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, 2081886701 + ... + 2081940026.

It is an arithmetic number, because the mean of its divisors is an integer number (8569155406224).

Almost surely, 2^{111020112022001} is an apocalyptic number.

It is an amenable number.

111020112022001 is a deficient number, since it is larger than the sum of its proper divisors (26086374477583).

111020112022001 is a wasteful number, since it uses less digits than its factorization.

111020112022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4163827040.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111020112022001 its reverse (100220211020111), we get a palindrome (211240323042112).

The spelling of 111020112022001 in words is "one hundred eleven trillion, twenty billion, one hundred twelve million, twenty-two thousand, one".