1320210221122 has 64 divisors (see below), whose sum is σ = 2171634312960. Its totient is φ = 598253128704.

The previous prime is 1320210221117. The next prime is 1320210221137. The reversal of 1320210221122 is 2211220120231.

It is a self number, because there is not a number n which added to its sum of digits gives 1320210221122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1343041443 + ... + 1343042425.

It is an arithmetic number, because the mean of its divisors is an integer number (33931786140).

Almost surely, 2^{1320210221122} is an apocalyptic number.

1320210221122 is a deficient number, since it is larger than the sum of its proper divisors (851424091838).

1320210221122 is a wasteful number, since it uses less digits than its factorization.

1320210221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827.

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

Adding to 1320210221122 its reverse (2211220120231), we get a palindrome (3531430341353).

The spelling of 1320210221122 in words is "one trillion, three hundred twenty billion, two hundred ten million, two hundred twenty-one thousand, one hundred twenty-two".