121000121119999 has 8 divisors (see below), whose sum is σ = 132047837307648. Its totient is φ = 109960355795160.

The previous prime is 121000121119987. The next prime is 121000121120003. The reversal of 121000121119999 is 999911121000121.

It is a happy number.

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 121000121119999 - 2⁵ = 121000121119967 is a prime.

It is a super-2 number, since 2×121000121119999² (a number of 29 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 (121000121113999) 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, 1987683877 + ... + 1987744750.

It is an arithmetic number, because the mean of its divisors is an integer number (16505979663456).

Almost surely, 2^{121000121119999} is an apocalyptic number.

121000121119999 is a deficient number, since it is larger than the sum of its proper divisors (11047716187649).

121000121119999 is a wasteful number, since it uses less digits than its factorization.

121000121119999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3975431405.

The product of its (nonzero) digits is 26244, while the sum is 46.

The spelling of 121000121119999 in words is "one hundred twenty-one trillion, one hundred twenty-one million, one hundred nineteen thousand, nine hundred ninety-nine".