10001022999 has 16 divisors (see below), whose sum is σ = 14722210944. Its totient is φ = 5988197600.

The previous prime is 10001022971. The next prime is 10001023013. The reversal of 10001022999 is 99922010001.

It is not a de Polignac number, because 10001022999 - 2⁸ = 10001022743 is a prime.

It is a super-2 number, since 2×10001022999² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001020999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1822932 + ... + 1828409.

It is an arithmetic number, because the mean of its divisors is an integer number (920138184).

Almost surely, 2^10001022999 is an apocalyptic number.

10001022999 is a deficient number, since it is larger than the sum of its proper divisors (4721187945).

10001022999 is a wasteful number, since it uses less digits than its factorization.

10001022999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3651438.

The product of its (nonzero) digits is 2916, while the sum is 33.

The spelling of 10001022999 in words is "ten billion, one million, twenty-two thousand, nine hundred ninety-nine".