9999921939022 has 8 divisors (see below), whose sum is σ = 15000683257296. Its totient is φ = 4999694186592.

The previous prime is 9999921939017. The next prime is 9999921939037. The reversal of 9999921939022 is 2209391299999.

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

It is a pancake number, because a pancake can be divided into 9999921939022 parts by 4472118 straight cuts.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133344603 + ... + 133419574.

It is an arithmetic number, because the mean of its divisors is an integer number (1875085407162).

Almost surely, 2^{9999921939022} is an apocalyptic number.

9999921939022 is a deficient number, since it is larger than the sum of its proper divisors (5000761318274).

9999921939022 is a wasteful number, since it uses less digits than its factorization.

9999921939022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266782922.

The product of its (nonzero) digits is 114791256, while the sum is 73.

The spelling of 9999921939022 in words is "nine trillion, nine hundred ninety-nine billion, nine hundred twenty-one million, nine hundred thirty-nine thousand, twenty-two".