121100001012199 has 16 divisors (see below), whose sum is σ = 140786007413760. Its totient is φ = 103063830638560.

The previous prime is 121100001012197. The next prime is 121100001012227. The reversal of 121100001012199 is 991210100001121.

It is a happy number.

It is not a de Polignac number, because 121100001012199 - 2¹ = 121100001012197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121100001012191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5092074604 + ... + 5092098385.

It is an arithmetic number, because the mean of its divisors is an integer number (8799125463360).

Almost surely, 2^{121100001012199} is an apocalyptic number.

121100001012199 is a deficient number, since it is larger than the sum of its proper divisors (19686006401561).

121100001012199 is a wasteful number, since it uses less digits than its factorization.

121100001012199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10184173070.

The product of its (nonzero) digits is 324, while the sum is 28.

The spelling of 121100001012199 in words is "one hundred twenty-one trillion, one hundred billion, one million, twelve thousand, one hundred ninety-nine".