33012220110 has 16 divisors (see below), whose sum is σ = 79229328336. Its totient is φ = 8803258688.

The previous prime is 33012220103. The next prime is 33012220121. The reversal of 33012220110 is 1102221033.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 33012220110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550203639 + ... + 550203698.

It is an arithmetic number, because the mean of its divisors is an integer number (4951833021).

Almost surely, 2^33012220110 is an apocalyptic number.

33012220110 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33012220110 is an abundant number, since it is smaller than the sum of its proper divisors (46217108226).

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

33012220110 is a wasteful number, since it uses less digits than its factorization.

33012220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100407347.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 33012220110 its reverse (1102221033), we get a palindrome (34114441143).

The spelling of 33012220110 in words is "thirty-three billion, twelve million, two hundred twenty thousand, one hundred ten".