21010032332222 has 4 divisors (see below), whose sum is σ = 31515048498336. Its totient is φ = 10505016166110.

The previous prime is 21010032332213. The next prime is 21010032332243. The reversal of 21010032332222 is 22223323001012.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5252508083054 + ... + 5252508083057.

It is an arithmetic number, because the mean of its divisors is an integer number (7878762124584).

Almost surely, 2^{21010032332222} is an apocalyptic number.

21010032332222 is a deficient number, since it is larger than the sum of its proper divisors (10505016166114).

21010032332222 is a wasteful number, since it uses less digits than its factorization.

21010032332222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10505016166113.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 21010032332222 its reverse (22223323001012), we get a palindrome (43233355333234).

The spelling of 21010032332222 in words is "twenty-one trillion, ten billion, thirty-two million, three hundred thirty-two thousand, two hundred twenty-two".