122212120001021 has 16 divisors (see below), whose sum is σ = 134238245232000. Its totient is φ = 110745436336128.

The previous prime is 122212120000991. The next prime is 122212120001033. The reversal of 122212120001021 is 120100021212221.

It is not a de Polignac number, because 122212120001021 - 2²⁶ = 122212052892157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122212120003021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103865405 + ... + 105035453.

It is an arithmetic number, because the mean of its divisors is an integer number (8389890327000).

Almost surely, 2^{122212120001021} is an apocalyptic number.

It is an amenable number.

122212120001021 is a deficient number, since it is larger than the sum of its proper divisors (12026125230979).

122212120001021 is a wasteful number, since it uses less digits than its factorization.

122212120001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409108.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122212120001021 its reverse (120100021212221), we get a palindrome (242312141213242).

The spelling of 122212120001021 in words is "one hundred twenty-two trillion, two hundred twelve billion, one hundred twenty million, one thousand, twenty-one".