10662120003 has 4 divisors (see below), whose sum is σ = 14216160008. Its totient is φ = 7108080000.

The previous prime is 10662119983. The next prime is 10662120017. The reversal of 10662120003 is 30002126601.

It is a happy number.

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

It is not a de Polignac number, because 10662120003 - 2⁶ = 10662119939 is a prime.

It is a super-2 number, since 2×10662120003² (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 (10662120803) 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, 1777019998 + ... + 1777020003.

It is an arithmetic number, because the mean of its divisors is an integer number (3554040002).

Almost surely, 2^10662120003 is an apocalyptic number.

10662120003 is a deficient number, since it is larger than the sum of its proper divisors (3554040005).

10662120003 is an equidigital number, since it uses as much as digits as its factorization.

10662120003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554040004.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 10662120003 its reverse (30002126601), we get a palindrome (40664246604).

The spelling of 10662120003 in words is "ten billion, six hundred sixty-two million, one hundred twenty thousand, three".