10022001001 has 4 divisors (see below), whose sum is σ = 10023544404. Its totient is φ = 10020457600.

The previous prime is 10022000999. The next prime is 10022001029. The reversal of 10022001001 is 10010022001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7722894400 + 2299106601 = 87880^2 + 47949^2 .

It is a cyclic number.

It is not a de Polignac number, because 10022001001 - 2¹ = 10022000999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10022001061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761920 + ... + 774961.

It is an arithmetic number, because the mean of its divisors is an integer number (2505886101).

Almost surely, 2^10022001001 is an apocalyptic number.

It is an amenable number.

10022001001 is a deficient number, since it is larger than the sum of its proper divisors (1543403).

10022001001 is an equidigital number, since it uses as much as digits as its factorization.

10022001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543402.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 10022001001 its reverse (10010022001), we get a palindrome (20032023002).

The spelling of 10022001001 in words is "ten billion, twenty-two million, one thousand, one".