122200002021 has 16 divisors (see below), whose sum is σ = 176188241664. Its totient is φ = 75043137024.

The previous prime is 122200001971. The next prime is 122200002047. The reversal of 122200002021 is 120200002221.

It is not a de Polignac number, because 122200002021 - 2¹⁴ = 122199985637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122200001988 and 122200002006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122200009021) 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 15 ways as a sum of consecutive naturals, for example, 25487800 + ... + 25492593.

It is an arithmetic number, because the mean of its divisors is an integer number (11011765104).

Almost surely, 2^122200002021 is an apocalyptic number.

It is an amenable number.

122200002021 is a deficient number, since it is larger than the sum of its proper divisors (53988239643).

122200002021 is a wasteful number, since it uses less digits than its factorization.

122200002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50980460.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 122200002021 its reverse (120200002221), we get a palindrome (242400004242).

The spelling of 122200002021 in words is "one hundred twenty-two billion, two hundred million, two thousand, twenty-one".