1111031223201 has 16 divisors (see below), whose sum is σ = 1647656942400. Its totient is φ = 739929340224.

The previous prime is 1111031223191. The next prime is 1111031223223. The reversal of 1111031223201 is 1023221301111.

1111031223201 is a `hidden beast` number, since 11 + 110 + 312 + 232 + 0 + 1 = 666.

It is not a de Polignac number, because 1111031223201 - 2²⁷ = 1110897005473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111031223251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21032631 + ... + 21085388.

It is an arithmetic number, because the mean of its divisors is an integer number (102978558900).

Almost surely, 2^{1111031223201} is an apocalyptic number.

It is an amenable number.

1111031223201 is a deficient number, since it is larger than the sum of its proper divisors (536625719199).

1111031223201 is an equidigital number, since it uses as much as digits as its factorization.

1111031223201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42119005 (or 42118999 counting only the distinct ones).

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

Adding to 1111031223201 its reverse (1023221301111), we get a palindrome (2134252524312).

The spelling of 1111031223201 in words is "one trillion, one hundred eleven billion, thirty-one million, two hundred twenty-three thousand, two hundred one".