202112321011989 has 8 divisors (see below), whose sum is σ = 269515589964192. Its totient is φ = 134725299700560.

The previous prime is 202112321011969. The next prime is 202112321012003. The reversal of 202112321011989 is 989110123211202.

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

It is not a de Polignac number, because 202112321011989 - 2¹⁶ = 202112320946453 is a prime.

It is a super-2 number, since 2×202112321011989² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202112321011989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202112321011969) 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 7 ways as a sum of consecutive naturals, for example, 4061881167 + ... + 4061930924.

It is an arithmetic number, because the mean of its divisors is an integer number (33689448745524).

Almost surely, 2^{202112321011989} is an apocalyptic number.

It is an amenable number.

202112321011989 is a deficient number, since it is larger than the sum of its proper divisors (67403268952203).

202112321011989 is an equidigital number, since it uses as much as digits as its factorization.

202112321011989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8123820387.

The product of its (nonzero) digits is 31104, while the sum is 42.

The spelling of 202112321011989 in words is "two hundred two trillion, one hundred twelve billion, three hundred twenty-one million, eleven thousand, nine hundred eighty-nine".