1111213212003 has 64 divisors (see below), whose sum is σ = 1785346675200. Its totient is φ = 680356454400.

The previous prime is 1111213212001. The next prime is 1111213212073. The reversal of 1111213212003 is 3002123121111.

It is not a de Polignac number, because 1111213212003 - 2¹ = 1111213212001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111213212001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20716803 + ... + 20770371.

It is an arithmetic number, because the mean of its divisors is an integer number (27896041800).

Almost surely, 2^{1111213212003} is an apocalyptic number.

1111213212003 is a deficient number, since it is larger than the sum of its proper divisors (674133463197).

1111213212003 is a wasteful number, since it uses less digits than its factorization.

1111213212003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54689 (or 54683 counting only the distinct ones).

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

Adding to 1111213212003 its reverse (3002123121111), we get a palindrome (4113336333114).

The spelling of 1111213212003 in words is "one trillion, one hundred eleven billion, two hundred thirteen million, two hundred twelve thousand, three".