10101021211999 has 2 divisors, whose sum is σ = 10101021212000. Its totient is φ = 10101021211998.

The previous prime is 10101021211823. The next prime is 10101021212027. The reversal of 10101021211999 is 99911212010101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10101021211999 - 2²⁷ = 10100886994271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10101021211399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050510605999 + 5050510606000.

It is an arithmetic number, because the mean of its divisors is an integer number (5050510606000).

Almost surely, 2^{10101021211999} is an apocalyptic number.

10101021211999 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101021211999 is an equidigital number, since it uses as much as digits as its factorization.

10101021211999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 37.

The spelling of 10101021211999 in words is "ten trillion, one hundred one billion, twenty-one million, two hundred eleven thousand, nine hundred ninety-nine".