1121021022211 has 2 divisors, whose sum is σ = 1121021022212. Its totient is φ = 1121021022210.

The previous prime is 1121021022203. The next prime is 1121021022221. The reversal of 1121021022211 is 1122201201211.

It is a weak prime.

It is an emirp because it is prime and its reverse (1122201201211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121021022211 - 2³ = 1121021022203 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121021022221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560510511105 + 560510511106.

It is an arithmetic number, because the mean of its divisors is an integer number (560510511106).

Almost surely, 2^{1121021022211} is an apocalyptic number.

1121021022211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121021022211 is an equidigital number, since it uses as much as digits as its factorization.

1121021022211 is an evil number, because the sum of its binary digits is even.

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

Adding to 1121021022211 its reverse (1122201201211), we get a palindrome (2243222223422).

The spelling of 1121021022211 in words is "one trillion, one hundred twenty-one billion, twenty-one million, twenty-two thousand, two hundred eleven".