122020221001 has 32 divisors (see below), whose sum is σ = 142603591680. Its totient is φ = 102246169536.

The previous prime is 122020220989. The next prime is 122020221049. The reversal of 122020221001 is 100122020221.

It is a happy number.

It is not a de Polignac number, because 122020221001 - 2¹⁷ = 122020089929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122020221601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110625216 + ... + 110626318.

It is an arithmetic number, because the mean of its divisors is an integer number (4456362240).

Almost surely, 2^122020221001 is an apocalyptic number.

It is an amenable number.

122020221001 is a deficient number, since it is larger than the sum of its proper divisors (20583370679).

122020221001 is a wasteful number, since it uses less digits than its factorization.

122020221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122020221001 its reverse (100122020221), we get a palindrome (222142241222).

The spelling of 122020221001 in words is "one hundred twenty-two billion, twenty million, two hundred twenty-one thousand, one".