101021201101999 has 2 divisors, whose sum is σ = 101021201102000. Its totient is φ = 101021201101998.

The previous prime is 101021201101991. The next prime is 101021201102009. The reversal of 101021201101999 is 999101102120101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101021201101999 - 2³ = 101021201101991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101021201101991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510600550999 + 50510600551000.

It is an arithmetic number, because the mean of its divisors is an integer number (50510600551000).

Almost surely, 2^{101021201101999} is an apocalyptic number.

101021201101999 is a deficient number, since it is larger than the sum of its proper divisors (1).

101021201101999 is an equidigital number, since it uses as much as digits as its factorization.

101021201101999 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 101021201101999 in words is "one hundred one trillion, twenty-one billion, two hundred one million, one hundred one thousand, nine hundred ninety-nine".