122021201022 has 64 divisors (see below), whose sum is σ = 282454201344. Its totient is φ = 34421345280.

The previous prime is 122021201021. The next prime is 122021201039. The reversal of 122021201022 is 220102120221.

It is a junction number, because it is equal to n+sod(n) for n = 122021200992 and 122021201010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122021201021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1679583 + ... + 1750725.

It is an arithmetic number, because the mean of its divisors is an integer number (4413346896).

Almost surely, 2^122021201022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122021201022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141227100672).

122021201022 is an abundant number, since it is smaller than the sum of its proper divisors (160433000322).

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

122021201022 is a wasteful number, since it uses less digits than its factorization.

122021201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71673.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122021201022 its reverse (220102120221), we get a palindrome (342123321243).

The spelling of 122021201022 in words is "one hundred twenty-two billion, twenty-one million, two hundred one thousand, twenty-two".