100121202199 has 4 divisors (see below), whose sum is σ = 100125950760. Its totient is φ = 100116453640.

The previous prime is 100121202197. The next prime is 100121202217. The reversal of 100121202199 is 991202121001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100121202199 - 2¹ = 100121202197 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 (100121202197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2342512 + ... + 2384869.

It is an arithmetic number, because the mean of its divisors is an integer number (25031487690).

Almost surely, 2^100121202199 is an apocalyptic number.

100121202199 is a deficient number, since it is larger than the sum of its proper divisors (4748561).

100121202199 is an equidigital number, since it uses as much as digits as its factorization.

100121202199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4748560.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 100121202199 in words is "one hundred billion, one hundred twenty-one million, two hundred two thousand, one hundred ninety-nine".