33231111222103 has 4 divisors (see below), whose sum is σ = 35185882470480. Its totient is φ = 31276339973728.

The previous prime is 33231111222097. The next prime is 33231111222131. The reversal of 33231111222103 is 30122211113233.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33231111222103 is a prime.

It is a super-2 number, since 2×33231111222103² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33231111222173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 977385624163 + ... + 977385624196.

It is an arithmetic number, because the mean of its divisors is an integer number (8796470617620).

Almost surely, 2^{33231111222103} is an apocalyptic number.

33231111222103 is a deficient number, since it is larger than the sum of its proper divisors (1954771248377).

33231111222103 is a wasteful number, since it uses less digits than its factorization.

33231111222103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954771248376.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 33231111222103 its reverse (30122211113233), we get a palindrome (63353322335336).

The spelling of 33231111222103 in words is "thirty-three trillion, two hundred thirty-one billion, one hundred eleven million, two hundred twenty-two thousand, one hundred three".