1222030444121 has 4 divisors (see below), whose sum is σ = 1237499184000. Its totient is φ = 1206561704244.

The previous prime is 1222030444111. The next prime is 1222030444133. The reversal of 1222030444121 is 1214440302221.

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 a de Polignac number, because none of the positive numbers 2^k-1222030444121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222030444111) 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, 7734369821 + ... + 7734369978.

It is an arithmetic number, because the mean of its divisors is an integer number (309374796000).

Almost surely, 2^{1222030444121} is an apocalyptic number.

It is an amenable number.

1222030444121 is a deficient number, since it is larger than the sum of its proper divisors (15468739879).

1222030444121 is an equidigital number, since it uses as much as digits as its factorization.

1222030444121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15468739878.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1222030444121 its reverse (1214440302221), we get a palindrome (2436470746342).

The spelling of 1222030444121 in words is "one trillion, two hundred twenty-two billion, thirty million, four hundred forty-four thousand, one hundred twenty-one".