1122210221000 has 128 divisors (see below), whose sum is σ = 2934568465920. Its totient is φ = 398123200000.

The previous prime is 1122210220973. The next prime is 1122210221021. The reversal of 1122210221000 is 1220122211.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 793136 + ... + 1695135.

It is an arithmetic number, because the mean of its divisors is an integer number (22926316140).

Almost surely, 2^{1122210221000} is an apocalyptic number.

1122210221000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122210221000 is an abundant number, since it is smaller than the sum of its proper divisors (1812358244920).

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

1122210221000 is a wasteful number, since it uses less digits than its factorization.

1122210221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488344 (or 2488330 counting only the distinct ones).

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

Adding to 1122210221000 its reverse (1220122211), we get a palindrome (1123430343211).

The spelling of 1122210221000 in words is "one trillion, one hundred twenty-two billion, two hundred ten million, two hundred twenty-one thousand".