100122122221999 has 32 divisors (see below), whose sum is σ = 106336735174656. Its totient is φ = 94126054613760.

The previous prime is 100122122221993. The next prime is 100122122222021. The reversal of 100122122221999 is 999122221221001.

It is a cyclic number.

It is not a de Polignac number, because 100122122221999 - 2⁵ = 100122122221967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122122221993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214104252 + ... + 214571374.

It is an arithmetic number, because the mean of its divisors is an integer number (3323022974208).

Almost surely, 2^{100122122221999} is an apocalyptic number.

100122122221999 is a deficient number, since it is larger than the sum of its proper divisors (6214612952657).

100122122221999 is a wasteful number, since it uses less digits than its factorization.

100122122221999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468295.

The product of its (nonzero) digits is 46656, while the sum is 43.

The spelling of 100122122221999 in words is "one hundred trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred twenty-one thousand, nine hundred ninety-nine".