1222120222211 has 8 divisors (see below), whose sum is σ = 1415841823584. Its totient is φ = 1033181870400.

The previous prime is 1222120222199. The next prime is 1222120222261. The reversal of 1222120222211 is 1122220212221.

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 1222120222211 - 2³⁴ = 1204940353027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222120222261) 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, 1195811840 + ... + 1195812861.

It is an arithmetic number, because the mean of its divisors is an integer number (176980227948).

Almost surely, 2^{1222120222211} is an apocalyptic number.

1222120222211 is a deficient number, since it is larger than the sum of its proper divisors (193721601373).

1222120222211 is an equidigital number, since it uses as much as digits as its factorization.

1222120222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391624781.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1222120222211 its reverse (1122220212221), we get a palindrome (2344340434432).

The spelling of 1222120222211 in words is "one trillion, two hundred twenty-two billion, one hundred twenty million, two hundred twenty-two thousand, two hundred eleven".