1111322121003 has 12 divisors (see below), whose sum is σ = 1606318262640. Its totient is φ = 740385168336.

The previous prime is 1111322120989. The next prime is 1111322121011. The reversal of 1111322121003 is 3001212231111.

It is not a de Polignac number, because 1111322121003 - 2⁸ = 1111322120747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111322121023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41339623 + ... + 41366496.

It is an arithmetic number, because the mean of its divisors is an integer number (133859855220).

Almost surely, 2^{1111322121003} is an apocalyptic number.

1111322121003 is a deficient number, since it is larger than the sum of its proper divisors (494996141637).

1111322121003 is a wasteful number, since it uses less digits than its factorization.

1111322121003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82707618 (or 82707615 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1111322121003 its reverse (3001212231111), we get a palindrome (4112534352114).

The spelling of 1111322121003 in words is "one trillion, one hundred eleven billion, three hundred twenty-two million, one hundred twenty-one thousand, three".