33101121222 has 48 divisors (see below), whose sum is σ = 77249805360. Its totient is φ = 10183133376.

The previous prime is 33101121203. The next prime is 33101121239. The reversal of 33101121222 is 22212110133.

33101121222 is a `hidden beast` number, since 331 + 0 + 112 + 1 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 33101121195 and 33101121204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1926393 + ... + 1943499.

It is an arithmetic number, because the mean of its divisors is an integer number (1609370945).

Almost surely, 2^33101121222 is an apocalyptic number.

33101121222 is an abundant number, since it is smaller than the sum of its proper divisors (44148684138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33101121222 is a wasteful number, since it uses less digits than its factorization.

33101121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25397 (or 25394 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 33101121222 its reverse (22212110133), we get a palindrome (55313231355).

The spelling of 33101121222 in words is "thirty-three billion, one hundred one million, one hundred twenty-one thousand, two hundred twenty-two".