10100021211911 has 2 divisors, whose sum is σ = 10100021211912. Its totient is φ = 10100021211910.

The previous prime is 10100021211901. The next prime is 10100021211913. The reversal of 10100021211911 is 11911212000101.

It is a strong prime.

It is an emirp because it is prime and its reverse (11911212000101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10100021211911 is a prime.

Together with 10100021211913, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10100021211913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050010605955 + 5050010605956.

It is an arithmetic number, because the mean of its divisors is an integer number (5050010605956).

Almost surely, 2^{10100021211911} is an apocalyptic number.

10100021211911 is a deficient number, since it is larger than the sum of its proper divisors (1).

10100021211911 is an equidigital number, since it uses as much as digits as its factorization.

10100021211911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 10100021211911 in words is "ten trillion, one hundred billion, twenty-one million, two hundred eleven thousand, nine hundred eleven".