111102222201 has 16 divisors (see below), whose sum is σ = 158129187840. Its totient is φ = 69181514640.

The previous prime is 111102222193. The next prime is 111102222211. The reversal of 111102222201 is 102222201111.

It is not a de Polignac number, because 111102222201 - 2³ = 111102222193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111102222211) 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, 13722445 + ... + 13730538.

It is an arithmetic number, because the mean of its divisors is an integer number (9883074240).

Almost surely, 2^111102222201 is an apocalyptic number.

It is an amenable number.

111102222201 is a deficient number, since it is larger than the sum of its proper divisors (47026965639).

111102222201 is a wasteful number, since it uses less digits than its factorization.

111102222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27453076.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111102222201 its reverse (102222201111), we get a palindrome (213324423312).

It can be divided in two parts, 111 and 102222201, that multiplied together give a palindrome (11346664311).

The spelling of 111102222201 in words is "one hundred eleven billion, one hundred two million, two hundred twenty-two thousand, two hundred one".