12211121011003 has 2 divisors, whose sum is σ = 12211121011004. Its totient is φ = 12211121011002.

The previous prime is 12211121010967. The next prime is 12211121011123. The reversal of 12211121011003 is 30011012111221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12211121011003 - 2²⁵ = 12211087456571 is a prime.

It is a super-2 number, since 2×12211121011003² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12211121011703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105560505501 + 6105560505502.

It is an arithmetic number, because the mean of its divisors is an integer number (6105560505502).

Almost surely, 2^{12211121011003} is an apocalyptic number.

12211121011003 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211121011003 is an equidigital number, since it uses as much as digits as its factorization.

12211121011003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 12211121011003 its reverse (30011012111221), we get a palindrome (42222133122224).

The spelling of 12211121011003 in words is "twelve trillion, two hundred eleven billion, one hundred twenty-one million, eleven thousand, three".