21120000023222 has 8 divisors (see below), whose sum is σ = 31717139545056. Its totient is φ = 10547620174872.

The previous prime is 21120000023159. The next prime is 21120000023237. The reversal of 21120000023222 is 22232000002112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21120000023222² (a number of 27 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 21120000023222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6189916238 + ... + 6189919649.

It is an arithmetic number, because the mean of its divisors is an integer number (3964642443132).

Almost surely, 2^{21120000023222} is an apocalyptic number.

21120000023222 is a deficient number, since it is larger than the sum of its proper divisors (10597139521834).

21120000023222 is a wasteful number, since it uses less digits than its factorization.

21120000023222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12379836742.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 21120000023222 its reverse (22232000002112), we get a palindrome (43352000025334).

The spelling of 21120000023222 in words is "twenty-one trillion, one hundred twenty billion, twenty-three thousand, two hundred twenty-two".