22121200110010 has 8 divisors (see below), whose sum is σ = 39818160198036. Its totient is φ = 8848480044000.

The previous prime is 22121200109963. The next prime is 22121200110047. The reversal of 22121200110010 is 1001100212122.

It can be written as a sum of positive squares in 2 ways, for example, as 21234926610769 + 886273499241 = 4608137^2 + 941421^2 .

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

It is a super-2 number, since 2×22121200110010² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106060005491 + ... + 1106060005510.

Almost surely, 2^{22121200110010} is an apocalyptic number.

22121200110010 is a deficient number, since it is larger than the sum of its proper divisors (17696960088026).

22121200110010 is a wasteful number, since it uses less digits than its factorization.

22121200110010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212120011008.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22121200110010 its reverse (1001100212122), we get a palindrome (23122300322132).

The spelling of 22121200110010 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred million, one hundred ten thousand, ten".