2211021021211 has 2 divisors, whose sum is σ = 2211021021212. Its totient is φ = 2211021021210.

The previous prime is 2211021021179. The next prime is 2211021021229. The reversal of 2211021021211 is 1121201201122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2211021021211 - 2⁵ = 2211021021179 is a prime.

It is a super-2 number, since 2×2211021021211² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2211021021611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105510510605 + 1105510510606.

It is an arithmetic number, because the mean of its divisors is an integer number (1105510510606).

Almost surely, 2^{2211021021211} is an apocalyptic number.

2211021021211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211021021211 is an equidigital number, since it uses as much as digits as its factorization.

2211021021211 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 2211021021211 its reverse (1121201201122), we get a palindrome (3332222222333).

The spelling of 2211021021211 in words is "two trillion, two hundred eleven billion, twenty-one million, twenty-one thousand, two hundred eleven".