111102201111 has 16 divisors (see below), whose sum is σ = 170108634240. Its totient is φ = 63790737120.

The previous prime is 111102201037. The next prime is 111102201121.

111102201111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 111102201111 - 2¹³ = 111102192919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111102201121) 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, 88597620 + ... + 88598873.

It is an arithmetic number, because the mean of its divisors is an integer number (10631789640).

Almost surely, 2^111102201111 is an apocalyptic number.

111102201111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111102201111 is a deficient number, since it is larger than the sum of its proper divisors (59006433129).

111102201111 is a wasteful number, since it uses less digits than its factorization.

111102201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177196526.

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

It can be divided in two parts, 111102 and 201111, that multiplied together give a palindrome (22343834322).

The spelling of 111102201111 in words is "one hundred eleven billion, one hundred two million, two hundred one thousand, one hundred eleven".