10009921901 has 8 divisors (see below), whose sum is σ = 11449080000. Its totient is φ = 8573056128.

The previous prime is 10009921897. The next prime is 10009921907. The reversal of 10009921901 is 10912990001.

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

It is not a de Polignac number, because 10009921901 - 2² = 10009921897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10009921907) 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, 563711 + ... + 581196.

It is an arithmetic number, because the mean of its divisors is an integer number (1431135000).

Almost surely, 2^10009921901 is an apocalyptic number.

It is an amenable number.

10009921901 is a deficient number, since it is larger than the sum of its proper divisors (1439158099).

10009921901 is a wasteful number, since it uses less digits than its factorization.

10009921901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146163.

The product of its (nonzero) digits is 1458, while the sum is 32.

The spelling of 10009921901 in words is "ten billion, nine million, nine hundred twenty-one thousand, nine hundred one".