33112103102221 has 32 divisors (see below), whose sum is σ = 39484720614528. Its totient is φ = 27369455351040.

The previous prime is 33112103102207. The next prime is 33112103102227. The reversal of 33112103102221 is 12220130121133.

It is not a de Polignac number, because 33112103102221 - 2¹⁹ = 33112102577933 is a prime.

It is a super-2 number, since 2×33112103102221² (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 = 33112103102192 and 33112103102201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33112103102227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124774951 + ... + 125040043.

It is an arithmetic number, because the mean of its divisors is an integer number (1233897519204).

Almost surely, 2^{33112103102221} is an apocalyptic number.

It is an amenable number.

33112103102221 is a deficient number, since it is larger than the sum of its proper divisors (6372617512307).

33112103102221 is a wasteful number, since it uses less digits than its factorization.

33112103102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278221.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 33112103102221 its reverse (12220130121133), we get a palindrome (45332233223354).

The spelling of 33112103102221 in words is "thirty-three trillion, one hundred twelve billion, one hundred three million, one hundred two thousand, two hundred twenty-one".