111102111201 has 32 divisors (see below), whose sum is σ = 153981370368. Its totient is φ = 71179657920.

The previous prime is 111102111193. The next prime is 111102111233. The reversal of 111102111201 is 102111201111.

It is not a de Polignac number, because 111102111201 - 2³ = 111102111193 is a prime.

It is a super-2 number, since 2×111102111201² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111102111101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19208956 + ... + 19214738.

It is an arithmetic number, because the mean of its divisors is an integer number (4811917824).

Almost surely, 2^111102111201 is an apocalyptic number.

It is an amenable number.

111102111201 is a deficient number, since it is larger than the sum of its proper divisors (42879259167).

111102111201 is a wasteful number, since it uses less digits than its factorization.

111102111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7221.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 111102111201 its reverse (102111201111), we get a palindrome (213213312312).

It can be divided in two parts, 111 and 102111201, that multiplied together give a palindrome (11334343311).

The spelling of 111102111201 in words is "one hundred eleven billion, one hundred two million, one hundred eleven thousand, two hundred one".