122030002101221 has 8 divisors (see below), whose sum is σ = 122560749793944. Its totient is φ = 121500343123200.

The previous prime is 122030002101209. The next prime is 122030002101247. The reversal of 122030002101221 is 122101200030221.

It can be written as a sum of positive squares in 4 ways, for example, as 68723867880196 + 53306134221025 = 8289986^2 + 7301105^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122030002101221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122030002101221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122030002101251) 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, 271954016 + ... + 272402361.

It is an arithmetic number, because the mean of its divisors is an integer number (15320093724243).

Almost surely, 2^{122030002101221} is an apocalyptic number.

It is an amenable number.

122030002101221 is a deficient number, since it is larger than the sum of its proper divisors (530747692723).

122030002101221 is an equidigital number, since it uses as much as digits as its factorization.

122030002101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544357351.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 122030002101221 its reverse (122101200030221), we get a palindrome (244131202131442).

The spelling of 122030002101221 in words is "one hundred twenty-two trillion, thirty billion, two million, one hundred one thousand, two hundred twenty-one".