33122201212221 has 48 divisors (see below), whose sum is σ = 48644363853120. Its totient is φ = 20032063603200.

The previous prime is 33122201212211. The next prime is 33122201212307. The reversal of 33122201212221 is 12221210222133.

It is not a de Polignac number, because 33122201212221 - 2⁹ = 33122201211709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33122201212191 and 33122201212200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33122201212211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 485536111 + ... + 485604323.

It is an arithmetic number, because the mean of its divisors is an integer number (1013424246940).

Almost surely, 2^{33122201212221} is an apocalyptic number.

It is an amenable number.

33122201212221 is a deficient number, since it is larger than the sum of its proper divisors (15522162640899).

33122201212221 is a wasteful number, since it uses less digits than its factorization.

33122201212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71018 (or 71007 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 33122201212221 its reverse (12221210222133), we get a palindrome (45343411434354).

The spelling of 33122201212221 in words is "thirty-three trillion, one hundred twenty-two billion, two hundred one million, two hundred twelve thousand, two hundred twenty-one".