20211121119998 has 8 divisors (see below), whose sum is σ = 31912296505320. Its totient is φ = 9573688951560.

The previous prime is 20211121119997. The next prime is 20211121120031. The reversal of 20211121119998 is 89991112111202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211121119991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265935804173 + ... + 265935804248.

It is an arithmetic number, because the mean of its divisors is an integer number (3989037063165).

Almost surely, 2^{20211121119998} is an apocalyptic number.

20211121119998 is a deficient number, since it is larger than the sum of its proper divisors (11701175385322).

20211121119998 is a wasteful number, since it uses less digits than its factorization.

20211121119998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531871608442.

The product of its (nonzero) digits is 46656, while the sum is 47.

The spelling of 20211121119998 in words is "twenty trillion, two hundred eleven billion, one hundred twenty-one million, one hundred nineteen thousand, nine hundred ninety-eight".