111102214442 has 4 divisors (see below), whose sum is σ = 166653321666. Its totient is φ = 55551107220.

The previous prime is 111102214429. The next prime is 111102214463. The reversal of 111102214442 is 244412201111.

111102214442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 80463562921 + 30638651521 = 283661^2 + 175039^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27775553609 + ... + 27775553612.

Almost surely, 2^111102214442 is an apocalyptic number.

111102214442 is a deficient number, since it is larger than the sum of its proper divisors (55551107224).

111102214442 is an equidigital number, since it uses as much as digits as its factorization.

111102214442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55551107223.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 111102214442 its reverse (244412201111), we get a palindrome (355514415553).

The spelling of 111102214442 in words is "one hundred eleven billion, one hundred two million, two hundred fourteen thousand, four hundred forty-two".