33122211020 has 48 divisors (see below), whose sum is σ = 71839450368. Its totient is φ = 12814529280.

The previous prime is 33122211007. The next prime is 33122211043. The reversal of 33122211020 is 2011222133.

It is a self number, because there is not a number n which added to its sum of digits gives 33122211020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1209722 + ... + 1236798.

It is an arithmetic number, because the mean of its divisors is an integer number (1496655216).

Almost surely, 2^33122211020 is an apocalyptic number.

It is an amenable number.

33122211020 is an abundant number, since it is smaller than the sum of its proper divisors (38717239348).

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

33122211020 is a wasteful number, since it uses less digits than its factorization.

33122211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29090 (or 29088 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 33122211020 its reverse (2011222133), we get a palindrome (35133433153).

The spelling of 33122211020 in words is "thirty-three billion, one hundred twenty-two million, two hundred eleven thousand, twenty".