33113012221231 has 8 divisors (see below), whose sum is σ = 33195147970320. Its totient is φ = 33030909754752.

The previous prime is 33113012221171. The next prime is 33113012221243. The reversal of 33113012221231 is 13212221031133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33113012221231 - 2²¹ = 33113010124079 is a prime.

It is a super-2 number, since 2×33113012221231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33113012221196 and 33113012221205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33113072221231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6327786 + ... + 10308583.

It is an arithmetic number, because the mean of its divisors is an integer number (4149393496290).

Almost surely, 2^{33113012221231} is an apocalyptic number.

33113012221231 is a deficient number, since it is larger than the sum of its proper divisors (82135749089).

33113012221231 is a wasteful number, since it uses less digits than its factorization.

33113012221231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16641305.

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

Adding to 33113012221231 its reverse (13212221031133), we get a palindrome (46325233252364).

The spelling of 33113012221231 in words is "thirty-three trillion, one hundred thirteen billion, twelve million, two hundred twenty-one thousand, two hundred thirty-one".