111021100022 has 16 divisors (see below), whose sum is σ = 190801295520. Its totient is φ = 47460619008.

The previous prime is 111021099979. The next prime is 111021100033. The reversal of 111021100022 is 220001120111.

It is a junction number, because it is equal to n+sod(n) for n = 111021099976 and 111021100012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9981947 + ... + 9993062.

It is an arithmetic number, because the mean of its divisors is an integer number (11925080970).

Almost surely, 2^111021100022 is an apocalyptic number.

111021100022 is a deficient number, since it is larger than the sum of its proper divisors (79780195498).

111021100022 is a wasteful number, since it uses less digits than its factorization.

111021100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19975415.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111021100022 its reverse (220001120111), we get a palindrome (331022220133).

The spelling of 111021100022 in words is "one hundred eleven billion, twenty-one million, one hundred thousand, twenty-two".