101021000012099 has 2 divisors, whose sum is σ = 101021000012100. Its totient is φ = 101021000012098.

The previous prime is 101021000012039. The next prime is 101021000012129. The reversal of 101021000012099 is 990210000120101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101021000012099 - 2³² = 101016705044803 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (101021000012039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510500006049 + 50510500006050.

It is an arithmetic number, because the mean of its divisors is an integer number (50510500006050).

Almost surely, 2^{101021000012099} is an apocalyptic number.

101021000012099 is a deficient number, since it is larger than the sum of its proper divisors (1).

101021000012099 is an equidigital number, since it uses as much as digits as its factorization.

101021000012099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 26.

The spelling of 101021000012099 in words is "one hundred one trillion, twenty-one billion, twelve thousand, ninety-nine".