2100221210011 has 2 divisors, whose sum is σ = 2100221210012. Its totient is φ = 2100221210010.

The previous prime is 2100221209993. The next prime is 2100221210027. The reversal of 2100221210011 is 1100121220012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2100221210011 - 2⁵ = 2100221209979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2100221209973 and 2100221210000.

It is not a weakly prime, because it can be changed into another prime (2100221210081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050110605005 + 1050110605006.

It is an arithmetic number, because the mean of its divisors is an integer number (1050110605006).

Almost surely, 2^{2100221210011} is an apocalyptic number.

2100221210011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100221210011 is an equidigital number, since it uses as much as digits as its factorization.

2100221210011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2100221210011 its reverse (1100121220012), we get a palindrome (3200342430023).

The spelling of 2100221210011 in words is "two trillion, one hundred billion, two hundred twenty-one million, two hundred ten thousand, eleven".