202112021109999 has 64 divisors (see below), whose sum is σ = 371601916922880. Its totient is φ = 94297478814720.

The previous prime is 202112021109983. The next prime is 202112021110099. The reversal of 202112021109999 is 999901120211202.

It is not a de Polignac number, because 202112021109999 - 2⁴ = 202112021109983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202112021109979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 909393894 + ... + 909616115.

It is an arithmetic number, because the mean of its divisors is an integer number (5806279951920).

Almost surely, 2^{202112021109999} is an apocalyptic number.

202112021109999 is a deficient number, since it is larger than the sum of its proper divisors (169489895812881).

202112021109999 is a wasteful number, since it uses less digits than its factorization.

202112021109999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819010080.

The product of its (nonzero) digits is 104976, while the sum is 48.

The spelling of 202112021109999 in words is "two hundred two trillion, one hundred twelve billion, twenty-one million, one hundred nine thousand, nine hundred ninety-nine".