11111322003 has 8 divisors (see below), whose sum is σ = 15023759616. Its totient is φ = 7303216200.

The previous prime is 11111321987. The next prime is 11111322023. The reversal of 11111322003 is 30022311111.

It is a happy number.

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

It is not a de Polignac number, because 11111322003 - 2⁴ = 11111321987 is a prime.

It is a super-2 number, since 2×11111322003² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11111322023) 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, 26082703 + ... + 26083128.

It is an arithmetic number, because the mean of its divisors is an integer number (1877969952).

Almost surely, 2^11111322003 is an apocalyptic number.

11111322003 is a deficient number, since it is larger than the sum of its proper divisors (3912437613).

11111322003 is an equidigital number, since it uses as much as digits as its factorization.

11111322003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52165905.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11111322003 its reverse (30022311111), we get a palindrome (41133633114).

The spelling of 11111322003 in words is "eleven billion, one hundred eleven million, three hundred twenty-two thousand, three".