33621121050 has 96 divisors (see below), whose sum is σ = 91463770944. Its totient is φ = 8105472000.

The previous prime is 33621121019. The next prime is 33621121067. The reversal of 33621121050 is 5012112633.

It is a super-2 number, since 2×33621121050² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33621121050.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 242362 + ... + 354938.

It is an arithmetic number, because the mean of its divisors is an integer number (952747614).

Almost surely, 2^33621121050 is an apocalyptic number.

33621121050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 33621121050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45731885472).

33621121050 is an abundant number, since it is smaller than the sum of its proper divisors (57842649894).

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

33621121050 is a wasteful number, since it uses less digits than its factorization.

33621121050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112784 (or 112779 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 33621121050 its reverse (5012112633), we get a palindrome (38633233683).

The spelling of 33621121050 in words is "thirty-three billion, six hundred twenty-one million, one hundred twenty-one thousand, fifty".