122000210221 has 4 divisors (see below), whose sum is σ = 122008906944. Its totient is φ = 121991513500.

The previous prime is 122000210219. The next prime is 122000210257. The reversal of 122000210221 is 122012000221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122000210221 - 2¹ = 122000210219 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 (122000210021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4327285 + ... + 4355386.

It is an arithmetic number, because the mean of its divisors is an integer number (30502226736).

Almost surely, 2^122000210221 is an apocalyptic number.

It is an amenable number.

122000210221 is a deficient number, since it is larger than the sum of its proper divisors (8696723).

122000210221 is an equidigital number, since it uses as much as digits as its factorization.

122000210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8696722.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122000210221 its reverse (122012000221), we get a palindrome (244012210442).

The spelling of 122000210221 in words is "one hundred twenty-two billion, two hundred ten thousand, two hundred twenty-one".