122202020221 has 16 divisors (see below), whose sum is σ = 126926772544. Its totient is φ = 117567241344.

The previous prime is 122202020203. The next prime is 122202020231. The reversal of 122202020221 is 122020202221.

It is a cyclic number.

It is not a de Polignac number, because 122202020221 - 2³¹ = 120054536573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122202020195 and 122202020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122202020231) 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, 2350510 + ... + 2401936.

It is an arithmetic number, because the mean of its divisors is an integer number (7932923284).

Almost surely, 2^122202020221 is an apocalyptic number.

It is an amenable number.

122202020221 is a deficient number, since it is larger than the sum of its proper divisors (4724752323).

122202020221 is an equidigital number, since it uses as much as digits as its factorization.

122202020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52300.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 122202020221 its reverse (122020202221), we get a palindrome (244222222442).

It can be divided in two parts, 1 and 22202020221, that added together give a palindrome (22202020222).

The spelling of 122202020221 in words is "one hundred twenty-two billion, two hundred two million, twenty thousand, two hundred twenty-one".