1120021211 has 2 divisors, whose sum is σ = 1120021212. Its totient is φ = 1120021210.

The previous prime is 1120021207. The next prime is 1120021247. The reversal of 1120021211 is 1121200211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1120021211 - 2² = 1120021207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1120021192 and 1120021201.

It is not a weakly prime, because it can be changed into another prime (1120021711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560010605 + 560010606.

It is an arithmetic number, because the mean of its divisors is an integer number (560010606).

Almost surely, 2^1120021211 is an apocalyptic number.

1120021211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120021211 is an equidigital number, since it uses as much as digits as its factorization.

1120021211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1120021211 is about 33466.7179597880. The cubic root of 1120021211 is about 1038.5053761617.

Adding to 1120021211 its reverse (1121200211), we get a palindrome (2241221422).

The spelling of 1120021211 in words is "one billion, one hundred twenty million, twenty-one thousand, two hundred eleven".