1222003403121 has 16 divisors (see below), whose sum is σ = 1653744020544. Its totient is φ = 802467150144.

The previous prime is 1222003403087. The next prime is 1222003403141. The reversal of 1222003403121 is 1213043002221.

It is not a de Polignac number, because 1222003403121 - 2¹⁵ = 1222003370353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222003403141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3892411 + ... + 4194623.

It is an arithmetic number, because the mean of its divisors is an integer number (103359001284).

Almost surely, 2^{1222003403121} is an apocalyptic number.

It is an amenable number.

1222003403121 is a deficient number, since it is larger than the sum of its proper divisors (431740617423).

1222003403121 is a wasteful number, since it uses less digits than its factorization.

1222003403121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322400.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1222003403121 its reverse (1213043002221), we get a palindrome (2435046405342).

The spelling of 1222003403121 in words is "one trillion, two hundred twenty-two billion, three million, four hundred three thousand, one hundred twenty-one".