120101022100999 has 2 divisors, whose sum is σ = 120101022101000. Its totient is φ = 120101022100998.

The previous prime is 120101022100979. The next prime is 120101022101017. The reversal of 120101022100999 is 999001220101021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120101022100999 - 2¹⁵ = 120101022068231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120101022100919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60050511050499 + 60050511050500.

It is an arithmetic number, because the mean of its divisors is an integer number (60050511050500).

Almost surely, 2^{120101022100999} is an apocalyptic number.

120101022100999 is a deficient number, since it is larger than the sum of its proper divisors (1).

120101022100999 is an equidigital number, since it uses as much as digits as its factorization.

120101022100999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 37.

It can be divided in two parts, 120101022 and 100999, that added together give a palindrome (120202021).

The spelling of 120101022100999 in words is "one hundred twenty trillion, one hundred one billion, twenty-two million, one hundred thousand, nine hundred ninety-nine".