111110022022 has 4 divisors (see below), whose sum is σ = 166665033036. Its totient is φ = 55555011010.

The previous prime is 111110021993. The next prime is 111110022071. The reversal of 111110022022 is 220220011111.

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 = 111110021993 and 111110022011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27777505504 + ... + 27777505507.

It is an arithmetic number, because the mean of its divisors is an integer number (41666258259).

Almost surely, 2^111110022022 is an apocalyptic number.

111110022022 is a deficient number, since it is larger than the sum of its proper divisors (55555011014).

111110022022 is an equidigital number, since it uses as much as digits as its factorization.

111110022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55555011013.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111110022022 its reverse (220220011111), we get a palindrome (331330033133).

The spelling of 111110022022 in words is "one hundred eleven billion, one hundred ten million, twenty-two thousand, twenty-two".