9721023033001 has 8 divisors (see below), whose sum is σ = 11157421901184. Its totient is φ = 8296544487840.

The previous prime is 9721023032993. The next prime is 9721023033067. The reversal of 9721023033001 is 1003303201279.

It is a happy number.

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

It is not a de Polignac number, because 9721023033001 - 2³ = 9721023032993 is a prime.

It is a super-2 number, since 2×9721023033001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9721023033091) 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, 2980079005 + ... + 2980082266.

It is an arithmetic number, because the mean of its divisors is an integer number (1394677737648).

Almost surely, 2^{9721023033001} is an apocalyptic number.

It is an amenable number.

9721023033001 is a deficient number, since it is larger than the sum of its proper divisors (1436398868183).

9721023033001 is a wasteful number, since it uses less digits than its factorization.

9721023033001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5960161511.

The product of its (nonzero) digits is 6804, while the sum is 31.

The spelling of 9721023033001 in words is "nine trillion, seven hundred twenty-one billion, twenty-three million, thirty-three thousand, one".