122220102021 has 16 divisors (see below), whose sum is σ = 166227513600. Its totient is φ = 79861436928.

The previous prime is 122220102019. The next prime is 122220102049. The reversal of 122220102021 is 120201022221.

It is not a de Polignac number, because 122220102021 - 2¹ = 122220102019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220102061) 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 15 ways as a sum of consecutive naturals, for example, 1849636 + ... + 1914573.

It is an arithmetic number, because the mean of its divisors is an integer number (10389219600).

Almost surely, 2^122220102021 is an apocalyptic number.

It is an amenable number.

122220102021 is a deficient number, since it is larger than the sum of its proper divisors (44007411579).

122220102021 is a wasteful number, since it uses less digits than its factorization.

122220102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3764428.

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

Adding to 122220102021 its reverse (120201022221), we get a palindrome (242421124242).

The spelling of 122220102021 in words is "one hundred twenty-two billion, two hundred twenty million, one hundred two thousand, twenty-one".