2121332022 has 24 divisors (see below), whose sum is σ = 4614540840. Its totient is φ = 704292000.

The previous prime is 2121332009. The next prime is 2121332027. The reversal of 2121332022 is 2202331212.

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

It is a junction number, because it is equal to n+sod(n) for n = 2121331986 and 2121332004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121332027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 230247 + ... + 239282.

It is an arithmetic number, because the mean of its divisors is an integer number (192272535).

Almost surely, 2^2121332022 is an apocalyptic number.

2121332022 is an abundant number, since it is smaller than the sum of its proper divisors (2493208818).

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

2121332022 is a wasteful number, since it uses less digits than its factorization.

2121332022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469788 (or 469785 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2121332022 is about 46057.9202960794. The cubic root of 2121332022 is about 1284.9006513248.

Adding to 2121332022 its reverse (2202331212), we get a palindrome (4323663234).

It can be divided in two parts, 21213 and 32022, that added together give a palindrome (53235).

The spelling of 2121332022 in words is "two billion, one hundred twenty-one million, three hundred thirty-two thousand, twenty-two".