1122013033220 has 48 divisors (see below), whose sum is σ = 2494950858288. Its totient is φ = 422384271360.

The previous prime is 1122013033187. The next prime is 1122013033259. The reversal of 1122013033220 is 223303102211.

It can be written as a sum of positive squares in 8 ways, for example, as 273388853956 + 848624179264 = 522866^2 + 921208^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1122013033192 and 1122013033201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8112164 + ... + 8249316.

It is an arithmetic number, because the mean of its divisors is an integer number (51978142881).

Almost surely, 2^{1122013033220} is an apocalyptic number.

1122013033220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122013033220 is an abundant number, since it is smaller than the sum of its proper divisors (1372937825068).

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

1122013033220 is a wasteful number, since it uses less digits than its factorization.

1122013033220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161240 (or 161238 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1122013033220 its reverse (223303102211), we get a palindrome (1345316135431).

The spelling of 1122013033220 in words is "one trillion, one hundred twenty-two billion, thirteen million, thirty-three thousand, two hundred twenty".