122110200021 has 16 divisors (see below), whose sum is σ = 163989089280. Its totient is φ = 80821115760.

The previous prime is 122110200011. The next prime is 122110200097. The reversal of 122110200021 is 120002011221.

It is not a de Polignac number, because 122110200021 - 2¹⁵ = 122110167253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122110200011) 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, 19935 + ... + 494588.

It is an arithmetic number, because the mean of its divisors is an integer number (10249318080).

Almost surely, 2^122110200021 is an apocalyptic number.

It is an amenable number.

122110200021 is a deficient number, since it is larger than the sum of its proper divisors (41878889259).

122110200021 is a wasteful number, since it uses less digits than its factorization.

122110200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515096.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122110200021 its reverse (120002011221), we get a palindrome (242112211242).

The spelling of 122110200021 in words is "one hundred twenty-two billion, one hundred ten million, two hundred thousand, twenty-one".