1120921211 has 2 divisors, whose sum is σ = 1120921212. Its totient is φ = 1120921210.

The previous prime is 1120921183. The next prime is 1120921213. The reversal of 1120921211 is 1121290211.

It is a strong prime.

It is an emirp because it is prime and its reverse (1121290211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1120921211 - 2³⁰ = 47179387 is a prime.

It is a super-2 number, since 2×1120921211² = 2512928722539413042, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1120921213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1120921213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560460605 + 560460606.

It is an arithmetic number, because the mean of its divisors is an integer number (560460606).

Almost surely, 2^1120921211 is an apocalyptic number.

1120921211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120921211 is an equidigital number, since it uses as much as digits as its factorization.

1120921211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 1120921211 is about 33480.1614542105. The cubic root of 1120921211 is about 1038.7834675026.

The spelling of 1120921211 in words is "one billion, one hundred twenty million, nine hundred twenty-one thousand, two hundred eleven".