2102211011 has 2 divisors, whose sum is σ = 2102211012. Its totient is φ = 2102211010.

The previous prime is 2102210993. The next prime is 2102211037. The reversal of 2102211011 is 1101122012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102211011 is a prime.

It is a super-2 number, since 2×2102211011² = 8838582269539284242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2102210983 and 2102211001.

It is not a weakly prime, because it can be changed into another prime (2102211311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051105505 + 1051105506.

It is an arithmetic number, because the mean of its divisors is an integer number (1051105506).

Almost surely, 2^2102211011 is an apocalyptic number.

2102211011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102211011 is an equidigital number, since it uses as much as digits as its factorization.

2102211011 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2102211011 is about 45849.8747108430. The cubic root of 2102211011 is about 1281.0284318952.

Adding to 2102211011 its reverse (1101122012), we get a palindrome (3203333023).

The spelling of 2102211011 in words is "two billion, one hundred two million, two hundred eleven thousand, eleven".