1111122122022 has 40 divisors (see below), whose sum is σ = 2716076302632. Its totient is φ = 336703672800.

The previous prime is 1111122121997. The next prime is 1111122122041. The reversal of 1111122122022 is 2202212211111.

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 = 1111122121986 and 1111122122004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 311760879 + ... + 311764442.

Almost surely, 2^{1111122122022} is an apocalyptic number.

1111122122022 is an abundant number, since it is smaller than the sum of its proper divisors (1604954180610).

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

1111122122022 is a wasteful number, since it uses less digits than its factorization.

1111122122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623525346 (or 623525337 counting only the distinct ones).

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

Adding to 1111122122022 its reverse (2202212211111), we get a palindrome (3313334333133).

The spelling of 1111122122022 in words is "one trillion, one hundred eleven billion, one hundred twenty-two million, one hundred twenty-two thousand, twenty-two".