111102220022 has 4 divisors (see below), whose sum is σ = 166653330036. Its totient is φ = 55551110010.

The previous prime is 111102220007. The next prime is 111102220069. The reversal of 111102220022 is 220022201111.

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

It is a junction number, because it is equal to n+sod(n) for n = 111102219979 and 111102220006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27775555004 + ... + 27775555007.

It is an arithmetic number, because the mean of its divisors is an integer number (41663332509).

Almost surely, 2^111102220022 is an apocalyptic number.

111102220022 is a deficient number, since it is larger than the sum of its proper divisors (55551110014).

111102220022 is an equidigital number, since it uses as much as digits as its factorization.

111102220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55551110013.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111102220022 its reverse (220022201111), we get a palindrome (331124421133).

The spelling of 111102220022 in words is "one hundred eleven billion, one hundred two million, two hundred twenty thousand, twenty-two".