100121212210099 has 8 divisors (see below), whose sum is σ = 101692481959568. Its totient is φ = 98552204910720.

The previous prime is 100121212210031. The next prime is 100121212210157. The reversal of 100121212210099 is 990012212121001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100121212210099 - 2⁷ = 100121212209971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100121212210099.

It is not an unprimeable number, because it can be changed into a prime (100121212270099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565523322 + ... + 565700335.

It is an arithmetic number, because the mean of its divisors is an integer number (12711560244946).

Almost surely, 2^{100121212210099} is an apocalyptic number.

100121212210099 is a deficient number, since it is larger than the sum of its proper divisors (1571269749469).

100121212210099 is a wasteful number, since it uses less digits than its factorization.

100121212210099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131225045.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 100121212210099 in words is "one hundred trillion, one hundred twenty-one billion, two hundred twelve million, two hundred ten thousand, ninety-nine".