20202112121099 has 8 divisors (see below), whose sum is σ = 20298266229840. Its totient is φ = 20105961876000.

The previous prime is 20202112121047. The next prime is 20202112121159. The reversal of 20202112121099 is 99012121120202.

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 20202112121099 - 2⁸ = 20202112120843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202112121599) 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, 9801449 + ... + 11682149.

It is an arithmetic number, because the mean of its divisors is an integer number (2537283278730).

Almost surely, 2^{20202112121099} is an apocalyptic number.

20202112121099 is a deficient number, since it is larger than the sum of its proper divisors (96154108741).

20202112121099 is a wasteful number, since it uses less digits than its factorization.

20202112121099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931821.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 20202112121099 in words is "twenty trillion, two hundred two billion, one hundred twelve million, one hundred twenty-one thousand, ninety-nine".