111213132033 has 4 divisors (see below), whose sum is σ = 148284176048. Its totient is φ = 74142088020.

The previous prime is 111213132029. The next prime is 111213132053. The reversal of 111213132033 is 330231312111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 111213132033 - 2² = 111213132029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111213132053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18535522003 + ... + 18535522008.

It is an arithmetic number, because the mean of its divisors is an integer number (37071044012).

Almost surely, 2^111213132033 is an apocalyptic number.

It is an amenable number.

111213132033 is a deficient number, since it is larger than the sum of its proper divisors (37071044015).

111213132033 is an equidigital number, since it uses as much as digits as its factorization.

111213132033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37071044014.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 111213132033 its reverse (330231312111), we get a palindrome (441444444144).

The spelling of 111213132033 in words is "one hundred eleven billion, two hundred thirteen million, one hundred thirty-two thousand, thirty-three".