121001122199 has 8 divisors (see below), whose sum is σ = 122088400752. Its totient is φ = 119918050560.

The previous prime is 121001122189. The next prime is 121001122201. The reversal of 121001122199 is 991221100121.

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 121001122199 - 2²⁴ = 120984344983 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 (121001122189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 993932 + ... + 1109009.

It is an arithmetic number, because the mean of its divisors is an integer number (15261050094).

Almost surely, 2^121001122199 is an apocalyptic number.

121001122199 is a deficient number, since it is larger than the sum of its proper divisors (1087278553).

121001122199 is a wasteful number, since it uses less digits than its factorization.

121001122199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103457.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 121001122199 in words is "one hundred twenty-one billion, one million, one hundred twenty-two thousand, one hundred ninety-nine".