1111202221122 has 96 divisors (see below), whose sum is σ = 2755965813120. Its totient is φ = 316977131520.

The previous prime is 1111202221111. The next prime is 1111202221147. The reversal of 1111202221122 is 2211222021111.

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 = 1111202221095 and 1111202221104.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 329634097 + ... + 329637467.

It is an arithmetic number, because the mean of its divisors is an integer number (28707977220).

Almost surely, 2^{1111202221122} is an apocalyptic number.

1111202221122 is an abundant number, since it is smaller than the sum of its proper divisors (1644763591998).

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

1111202221122 is a wasteful number, since it uses less digits than its factorization.

1111202221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6808 (or 6805 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1111202221122 its reverse (2211222021111), we get a palindrome (3322424242233).

The spelling of 1111202221122 in words is "one trillion, one hundred eleven billion, two hundred two million, two hundred twenty-one thousand, one hundred twenty-two".