1222122133321 has 4 divisors (see below), whose sum is σ = 1275257878272. Its totient is φ = 1168986388372.

The previous prime is 1222122133319. The next prime is 1222122133339. The reversal of 1222122133321 is 1233312212221.

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 1222122133321 - 2¹ = 1222122133319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222122133021) 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, 26567872441 + ... + 26567872486.

It is an arithmetic number, because the mean of its divisors is an integer number (318814469568).

Almost surely, 2^{1222122133321} is an apocalyptic number.

It is an amenable number.

1222122133321 is a deficient number, since it is larger than the sum of its proper divisors (53135744951).

1222122133321 is an equidigital number, since it uses as much as digits as its factorization.

1222122133321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53135744950.

The product of its digits is 1728, while the sum is 25.

Adding to 1222122133321 its reverse (1233312212221), we get a palindrome (2455434345542).

The spelling of 1222122133321 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred thirty-three thousand, three hundred twenty-one".