2121222011322 has 16 divisors (see below), whose sum is σ = 4242530610720. Its totient is φ = 707059572432.

The previous prime is 2121222011317. The next prime is 2121222011327. The reversal of 2121222011322 is 2231102221212.

It is an interprime number because it is at equal distance from previous prime (2121222011317) and next prime (2121222011327).

It is not an unprimeable number, because it can be changed into a prime (2121222011327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3287172 + ... + 3879167.

It is an arithmetic number, because the mean of its divisors is an integer number (265158163170).

Almost surely, 2^{2121222011322} is an apocalyptic number.

2121222011322 is an abundant number, since it is smaller than the sum of its proper divisors (2121308599398).

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

2121222011322 is a wasteful number, since it uses less digits than its factorization.

2121222011322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7215677.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2121222011322 its reverse (2231102221212), we get a palindrome (4352324232534).

The spelling of 2121222011322 in words is "two trillion, one hundred twenty-one billion, two hundred twenty-two million, eleven thousand, three hundred twenty-two".