1121002212211 has 16 divisors (see below), whose sum is σ = 1312621406208. Its totient is φ = 937260187200.

The previous prime is 1121002212181. The next prime is 1121002212221. The reversal of 1121002212211 is 1122122001211.

It is a cyclic number.

It is not a de Polignac number, because 1121002212211 - 2²⁹ = 1120465341299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121002212221) 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, 1324776 + ... + 1999258.

It is an arithmetic number, because the mean of its divisors is an integer number (82038837888).

Almost surely, 2^{1121002212211} is an apocalyptic number.

1121002212211 is a deficient number, since it is larger than the sum of its proper divisors (191619193997).

1121002212211 is an equidigital number, since it uses as much as digits as its factorization.

1121002212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680322.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1121002212211 its reverse (1122122001211), we get a palindrome (2243124213422).

The spelling of 1121002212211 in words is "one trillion, one hundred twenty-one billion, two million, two hundred twelve thousand, two hundred eleven".