111201222102111 has 6 divisors (see below), whose sum is σ = 160623987480840. Its totient is φ = 74134148068068.

The previous prime is 111201222102017. The next prime is 111201222102121.

It is a happy number.

111201222102111 is a `hidden beast` number, since 1 + 1 + 120 + 122 + 210 + 211 + 1 = 666.

111201222102111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 111201222102111 - 2¹⁰ = 111201222101087 is a prime.

It is a super-3 number, since 3×111201222102111³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111201222102121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6177845672331 + ... + 6177845672348.

It is an arithmetic number, because the mean of its divisors is an integer number (26770664580140).

Almost surely, 2^{111201222102111} is an apocalyptic number.

111201222102111 is a deficient number, since it is larger than the sum of its proper divisors (49422765378729).

111201222102111 is a wasteful number, since it uses less digits than its factorization.

111201222102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12355691344685 (or 12355691344682 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

The spelling of 111201222102111 in words is "one hundred eleven trillion, two hundred one billion, two hundred twenty-two million, one hundred two thousand, one hundred eleven".