111120022220 has 12 divisors (see below), whose sum is σ = 233352046704. Its totient is φ = 44448008880.

The previous prime is 111120022151. The next prime is 111120022289. The reversal of 111120022220 is 22220021111.

It is an interprime number because it is at equal distance from previous prime (111120022151) and next prime (111120022289).

It is a junction number, because it is equal to n+sod(n) for n = 111120022195 and 111120022204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2778000536 + ... + 2778000575.

It is an arithmetic number, because the mean of its divisors is an integer number (19446003892).

Almost surely, 2^111120022220 is an apocalyptic number.

111120022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111120022220 is an abundant number, since it is smaller than the sum of its proper divisors (122232024484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111120022220 is a wasteful number, since it uses less digits than its factorization.

111120022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5556001120 (or 5556001118 counting only the distinct ones).

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

Adding to 111120022220 its reverse (22220021111), we get a palindrome (133340043331).

The spelling of 111120022220 in words is "one hundred eleven billion, one hundred twenty million, twenty-two thousand, two hundred twenty".