10722001001 has 4 divisors (see below), whose sum is σ = 10722365652. Its totient is φ = 10721636352.

The previous prime is 10722000977. The next prime is 10722001009. The reversal of 10722001001 is 10010022701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10010022701 = 7 ⋅1430003243.

It can be written as a sum of positive squares in 2 ways, for example, as 2381928025 + 8340072976 = 48805^2 + 91324^2 .

It is a cyclic number.

It is not a de Polignac number, because 10722001001 - 2¹⁴ = 10721984617 is a prime.

It is a super-2 number, since 2×10722001001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10722001009) 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, 133940 + ... + 198453.

It is an arithmetic number, because the mean of its divisors is an integer number (2680591413).

Almost surely, 2^10722001001 is an apocalyptic number.

It is an amenable number.

10722001001 is a deficient number, since it is larger than the sum of its proper divisors (364651).

10722001001 is an equidigital number, since it uses as much as digits as its factorization.

10722001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364650.

The product of its (nonzero) digits is 28, while the sum is 14.

Adding to 10722001001 its reverse (10010022701), we get a palindrome (20732023702).

The spelling of 10722001001 in words is "ten billion, seven hundred twenty-two million, one thousand, one".