22121021302 has 16 divisors (see below), whose sum is σ = 34679604960. Its totient is φ = 10569017088.

The previous prime is 22121021287. The next prime is 22121021311. The reversal of 22121021302 is 20312012122.

It is a happy number.

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, 1960338 + ... + 1971589.

It is an arithmetic number, because the mean of its divisors is an integer number (2167475310).

Almost surely, 2^22121021302 is an apocalyptic number.

22121021302 is a deficient number, since it is larger than the sum of its proper divisors (12558583658).

22121021302 is a wasteful number, since it uses less digits than its factorization.

22121021302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3932055.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22121021302 its reverse (20312012122), we get a palindrome (42433033424).

The spelling of 22121021302 in words is "twenty-two billion, one hundred twenty-one million, twenty-one thousand, three hundred two".