33121123222 has 32 divisors (see below), whose sum is σ = 57482205984. Its totient is φ = 14145792000.

The previous prime is 33121123207. The next prime is 33121123223. The reversal of 33121123222 is 22232112133.

It is a super-2 number, since 2×33121123222² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 33121123193 and 33121123202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33121123223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151098 + ... + 298450.

It is an arithmetic number, because the mean of its divisors is an integer number (1796318937).

Almost surely, 2^33121123222 is an apocalyptic number.

33121123222 is a deficient number, since it is larger than the sum of its proper divisors (24361082762).

33121123222 is a wasteful number, since it uses less digits than its factorization.

33121123222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147984.

The product of its digits is 864, while the sum is 22.

Adding to 33121123222 its reverse (22232112133), we get a palindrome (55353235355).

The spelling of 33121123222 in words is "thirty-three billion, one hundred twenty-one million, one hundred twenty-three thousand, two hundred twenty-two".