1122122331020 has 24 divisors (see below), whose sum is σ = 2356513828704. Its totient is φ = 448838087936.

The previous prime is 1122122330999. The next prime is 1122122331041. The reversal of 1122122331020 is 201332212211.

It is an interprime number because it is at equal distance from previous prime (1122122330999) and next prime (1122122331041).

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 = 1122122330983 and 1122122331001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198329 + ... + 1511151.

It is an arithmetic number, because the mean of its divisors is an integer number (98188076196).

Almost surely, 2^{1122122331020} is an apocalyptic number.

1122122331020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122122331020 is an abundant number, since it is smaller than the sum of its proper divisors (1234391497684).

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

1122122331020 is a wasteful number, since it uses less digits than its factorization.

1122122331020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355569 (or 1355567 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1122122331020 its reverse (201332212211), we get a palindrome (1323454543231).

The spelling of 1122122331020 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-two million, three hundred thirty-one thousand, twenty".