2121333102 has 48 divisors (see below), whose sum is σ = 5481216000. Its totient is φ = 579742416.

The previous prime is 2121333091. The next prime is 2121333107. The reversal of 2121333102 is 2013331212.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121333107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 363102 + ... + 368897.

It is an arithmetic number, because the mean of its divisors is an integer number (114192000).

Almost surely, 2^2121333102 is an apocalyptic number.

2121333102 is an abundant number, since it is smaller than the sum of its proper divisors (3359882898).

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

2121333102 is a wasteful number, since it uses less digits than its factorization.

2121333102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732037 (or 732034 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2121333102 is about 46057.9320204457. The cubic root of 2121333102 is about 1284.9008693785.

Adding to 2121333102 its reverse (2013331212), we get a palindrome (4134664314).

The spelling of 2121333102 in words is "two billion, one hundred twenty-one million, three hundred thirty-three thousand, one hundred two".