1210021331322 has 16 divisors (see below), whose sum is σ = 2420065527552. Its totient is φ = 403336632960.

The previous prime is 1210021331317. The next prime is 1210021331333. The reversal of 1210021331322 is 2231331200121.

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, 221578 + ... + 1571349.

It is an arithmetic number, because the mean of its divisors is an integer number (151254095472).

Almost surely, 2^{1210021331322} is an apocalyptic number.

1210021331322 is an abundant number, since it is smaller than the sum of its proper divisors (1210044196230).

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

1210021331322 is a wasteful number, since it uses less digits than its factorization.

1210021331322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905413.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1210021331322 its reverse (2231331200121), we get a palindrome (3441352531443).

The spelling of 1210021331322 in words is "one trillion, two hundred ten billion, twenty-one million, three hundred thirty-one thousand, three hundred twenty-two".