1321000133022 has 48 divisors (see below), whose sum is σ = 2874047349888. Its totient is φ = 438506790480.

The previous prime is 1321000132891. The next prime is 1321000133051. The reversal of 1321000133022 is 2203310001231.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1321000132986 and 1321000133004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14017753 + ... + 14111675.

It is an arithmetic number, because the mean of its divisors is an integer number (59875986456).

Almost surely, 2^{1321000133022} is an apocalyptic number.

1321000133022 is an abundant number, since it is smaller than the sum of its proper divisors (1553047216866).

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

1321000133022 is a wasteful number, since it uses less digits than its factorization.

1321000133022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97165 (or 97162 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1321000133022 its reverse (2203310001231), we get a palindrome (3524310134253).

The spelling of 1321000133022 in words is "one trillion, three hundred twenty-one billion, one hundred thirty-three thousand, twenty-two".