1122212211984 has 60 divisors (see below), whose sum is σ = 3140747221872. Its totient is φ = 374057438400.

The previous prime is 1122212211973. The next prime is 1122212211997. The reversal of 1122212211984 is 4891122122211.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4452379 + ... + 4697669.

Almost surely, 2^{1122212211984} is an apocalyptic number.

It is an amenable number.

1122212211984 is an abundant number, since it is smaller than the sum of its proper divisors (2018535009888).

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

1122212211984 is a wasteful number, since it uses less digits than its factorization.

1122212211984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277076 (or 277067 counting only the distinct ones).

The product of its digits is 9216, while the sum is 36.

The spelling of 1122212211984 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, two hundred eleven thousand, nine hundred eighty-four".