9912022001001 has 16 divisors (see below), whose sum is σ = 14748601401600. Its totient is φ = 6579158703984.

The previous prime is 9912022000919. The next prime is 9912022001009. The reversal of 9912022001001 is 1001002202199.

It is not a de Polignac number, because 9912022001001 - 2¹¹ = 9912021998953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (9912022001009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 801548241 + ... + 801560606.

It is an arithmetic number, because the mean of its divisors is an integer number (921787587600).

Almost surely, 2^{9912022001001} is an apocalyptic number.

It is an amenable number.

9912022001001 is a deficient number, since it is larger than the sum of its proper divisors (4836579400599).

9912022001001 is a wasteful number, since it uses less digits than its factorization.

9912022001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603109085 (or 1603109079 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 9912022001001 in words is "nine trillion, nine hundred twelve billion, twenty-two million, one thousand, one".