2121110211007 has 2 divisors, whose sum is σ = 2121110211008. Its totient is φ = 2121110211006.

The previous prime is 2121110210987. The next prime is 2121110211019. The reversal of 2121110211007 is 7001120111212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2121110211007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121110281007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060555105503 + 1060555105504.

It is an arithmetic number, because the mean of its divisors is an integer number (1060555105504).

Almost surely, 2^{2121110211007} is an apocalyptic number.

2121110211007 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121110211007 is an equidigital number, since it uses as much as digits as its factorization.

2121110211007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 2121110211007 its reverse (7001120111212), we get a palindrome (9122230322219).

The spelling of 2121110211007 in words is "two trillion, one hundred twenty-one billion, one hundred ten million, two hundred eleven thousand, seven".