1022131113320 has 32 divisors (see below), whose sum is σ = 2299839091200. Its totient is φ = 408844607808.

The previous prime is 1022131113313. The next prime is 1022131113331. The reversal of 1022131113320 is 233111312201.

It is a happy number.

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 = 1022131113292 and 1022131113301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2159117 + ... + 2589603.

It is an arithmetic number, because the mean of its divisors is an integer number (71869971600).

Almost surely, 2^{1022131113320} is an apocalyptic number.

1022131113320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022131113320 is an abundant number, since it is smaller than the sum of its proper divisors (1277707977880).

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

1022131113320 is a wasteful number, since it uses less digits than its factorization.

1022131113320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489857 (or 489853 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1022131113320 its reverse (233111312201), we get a palindrome (1255242425521).

The spelling of 1022131113320 in words is "one trillion, twenty-two billion, one hundred thirty-one million, one hundred thirteen thousand, three hundred twenty".