111002022220122 has 48 divisors (see below), whose sum is σ = 262382543587008. Its totient is φ = 33635165221440.

The previous prime is 111002022220109. The next prime is 111002022220129. The reversal of 111002022220122 is 221022220200111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111002022220095 and 111002022220104.

It is not an unprimeable number, because it can be changed into a prime (111002022220129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11404683 + ... + 18763550.

It is an arithmetic number, because the mean of its divisors is an integer number (5466302991396).

Almost surely, 2^{111002022220122} is an apocalyptic number.

111002022220122 is an abundant number, since it is smaller than the sum of its proper divisors (151380521366886).

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

111002022220122 is a wasteful number, since it uses less digits than its factorization.

111002022220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30186835 (or 30186832 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 111002022220122 its reverse (221022220200111), we get a palindrome (332024242420233).

The spelling of 111002022220122 in words is "one hundred eleven trillion, two billion, twenty-two million, two hundred twenty thousand, one hundred twenty-two".