20113021221099 has 8 divisors (see below), whose sum is σ = 26817382546752. Its totient is φ = 13408670354760.

The previous prime is 20113021221089. The next prime is 20113021221127. The reversal of 20113021221099 is 99012212031102.

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

It is not a de Polignac number, because 20113021221099 - 2⁵ = 20113021221067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20113021221089) 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, 5260744 + ... + 8240234.

It is an arithmetic number, because the mean of its divisors is an integer number (3352172818344).

Almost surely, 2^{20113021221099} is an apocalyptic number.

20113021221099 is a deficient number, since it is larger than the sum of its proper divisors (6704361325653).

20113021221099 is a wasteful number, since it uses less digits than its factorization.

20113021221099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5229657.

The product of its (nonzero) digits is 3888, while the sum is 33.

The spelling of 20113021221099 in words is "twenty trillion, one hundred thirteen billion, twenty-one million, two hundred twenty-one thousand, ninety-nine".