122233321021 has 4 divisors (see below), whose sum is σ = 139695224032. Its totient is φ = 104771418012.

The previous prime is 122233321009. The next prime is 122233321031. The reversal of 122233321021 is 120123332221.

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 122233321021 - 2¹⁵ = 122233288253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122233320983 and 122233321001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122233321031) 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, 8730951495 + ... + 8730951508.

It is an arithmetic number, because the mean of its divisors is an integer number (34923806008).

Almost surely, 2^122233321021 is an apocalyptic number.

It is an amenable number.

122233321021 is a deficient number, since it is larger than the sum of its proper divisors (17461903011).

122233321021 is an equidigital number, since it uses as much as digits as its factorization.

122233321021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17461903010.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 122233321021 its reverse (120123332221), we get a palindrome (242356653242).

The spelling of 122233321021 in words is "one hundred twenty-two billion, two hundred thirty-three million, three hundred twenty-one thousand, twenty-one".