122031220321 has 8 divisors (see below), whose sum is σ = 124749982080. Its totient is φ = 119317556688.

The previous prime is 122031220291. The next prime is 122031220373. The reversal of 122031220321 is 123022130221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122031220321 - 2⁷ = 122031220193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122031226321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1226106 + ... + 1321891.

It is an arithmetic number, because the mean of its divisors is an integer number (15593747760).

Almost surely, 2^122031220321 is an apocalyptic number.

It is an amenable number.

122031220321 is a deficient number, since it is larger than the sum of its proper divisors (2718761759).

122031220321 is a wasteful number, since it uses less digits than its factorization.

122031220321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549063.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 122031220321 its reverse (123022130221), we get a palindrome (245053350542).

The spelling of 122031220321 in words is "one hundred twenty-two billion, thirty-one million, two hundred twenty thousand, three hundred twenty-one".