22121442010 has 8 divisors (see below), whose sum is σ = 39818595636. Its totient is φ = 8848576800.

The previous prime is 22121441921. The next prime is 22121442029. The reversal of 22121442010 is 1024412122.

It can be written as a sum of positive squares in 2 ways, for example, as 22063240369 + 58201641 = 148537^2 + 7629^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106072091 + ... + 1106072110.

Almost surely, 2^22121442010 is an apocalyptic number.

22121442010 is a deficient number, since it is larger than the sum of its proper divisors (17697153626).

22121442010 is a wasteful number, since it uses less digits than its factorization.

22121442010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212144208.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22121442010 its reverse (1024412122), we get a palindrome (23145854132).

The spelling of 22121442010 in words is "twenty-two billion, one hundred twenty-one million, four hundred forty-two thousand, ten".