1122021212320 has 48 divisors (see below), whose sum is σ = 2651135309928. Its totient is φ = 448747499520.

The previous prime is 1122021212303. The next prime is 1122021212329. The reversal of 1122021212320 is 232121202211.

It can be written as a sum of positive squares in 4 ways, for example, as 1003995984016 + 118025228304 = 1001996^2 + 343548^2 .

It is not an unprimeable number, because it can be changed into a prime (1122021212329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713980 + ... + 1659460.

Almost surely, 2^{1122021212320} is an apocalyptic number.

1122021212320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122021212320 is an abundant number, since it is smaller than the sum of its proper divisors (1529114097608).

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

1122021212320 is an equidigital number, since it uses as much as digits as its factorization.

1122021212320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952913 (or 952905 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1122021212320 its reverse (232121202211), we get a palindrome (1354142414531).

The spelling of 1122021212320 in words is "one trillion, one hundred twenty-two billion, twenty-one million, two hundred twelve thousand, three hundred twenty".