1001121102199 has 4 divisors (see below), whose sum is σ = 1001753523936. Its totient is φ = 1000488680464.

The previous prime is 1001121102161. The next prime is 1001121102227. The reversal of 1001121102199 is 9912011211001.

It is a happy number.

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 1001121102199 - 2²³ = 1001112713591 is a prime.

It is a super-2 number, since 2×1001121102199² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001121102799) 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, 316208494 + ... + 316211659.

It is an arithmetic number, because the mean of its divisors is an integer number (250438380984).

Almost surely, 2^{1001121102199} is an apocalyptic number.

1001121102199 is a deficient number, since it is larger than the sum of its proper divisors (632421737).

1001121102199 is an equidigital number, since it uses as much as digits as its factorization.

1001121102199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632421736.

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

The spelling of 1001121102199 in words is "one trillion, one billion, one hundred twenty-one million, one hundred two thousand, one hundred ninety-nine".