122221121122022 has 16 divisors (see below), whose sum is σ = 206018210855520. Its totient is φ = 53957150461632.

The previous prime is 122221121122021. The next prime is 122221121122033. The reversal of 122221121122022 is 220221121122221.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221121122021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102191572247 + ... + 102191573442.

It is an arithmetic number, because the mean of its divisors is an integer number (12876138178470).

Almost surely, 2^{122221121122022} is an apocalyptic number.

122221121122022 is a deficient number, since it is larger than the sum of its proper divisors (83797089733498).

122221121122022 is a wasteful number, since it uses less digits than its factorization.

122221121122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204383145727.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 122221121122022 its reverse (220221121122221), we get a palindrome (342442242244243).

The spelling of 122221121122022 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred twenty-two thousand, twenty-two".