121320320320022 has 16 divisors (see below), whose sum is σ = 183687068267712. Its totient is φ = 60091333586760.

The previous prime is 121320320320009. The next prime is 121320320320027. The reversal of 121320320320022 is 220023023023121.

It is a self number, because there is not a number n which added to its sum of digits gives 121320320320022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121320320320027) 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, 2242208 + ... + 15737475.

It is an arithmetic number, because the mean of its divisors is an integer number (11480441766732).

Almost surely, 2^{121320320320022} is an apocalyptic number.

121320320320022 is a deficient number, since it is larger than the sum of its proper divisors (62366747947690).

121320320320022 is a wasteful number, since it uses less digits than its factorization.

121320320320022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18011323.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 121320320320022 its reverse (220023023023121), we get a palindrome (341343343343143).

The spelling of 121320320320022 in words is "one hundred twenty-one trillion, three hundred twenty billion, three hundred twenty million, three hundred twenty thousand, twenty-two".