1121122211022 has 48 divisors (see below), whose sum is σ = 2650166183808. Its totient is φ = 339703111440.

The previous prime is 1121122210973. The next prime is 1121122211089. The reversal of 1121122211022 is 2201122211211.

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 = 1121122210986 and 1121122211004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1974303 + ... + 2477925.

It is an arithmetic number, because the mean of its divisors is an integer number (55211795496).

Almost surely, 2^{1121122211022} is an apocalyptic number.

1121122211022 is an abundant number, since it is smaller than the sum of its proper divisors (1529043972786).

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

1121122211022 is a wasteful number, since it uses less digits than its factorization.

1121122211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514885 (or 514882 counting only the distinct ones).

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

Adding to 1121122211022 its reverse (2201122211211), we get a palindrome (3322244422233).

The spelling of 1121122211022 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred eleven thousand, twenty-two".