22121002212110 has 8 divisors (see below), whose sum is σ = 39817803981816. Its totient is φ = 8848400884840.

The previous prime is 22121002212053. The next prime is 22121002212149. The reversal of 22121002212110 is 1121220012122.

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

It is a congruent number.

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, 1106050110596 + ... + 1106050110615.

It is an arithmetic number, because the mean of its divisors is an integer number (4977225497727).

Almost surely, 2^{22121002212110} is an apocalyptic number.

22121002212110 is a deficient number, since it is larger than the sum of its proper divisors (17696801769706).

22121002212110 is a wasteful number, since it uses less digits than its factorization.

22121002212110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212100221218.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22121002212110 its reverse (1121220012122), we get a palindrome (23242222224232).

The spelling of 22121002212110 in words is "twenty-two trillion, one hundred twenty-one billion, two million, two hundred twelve thousand, one hundred ten".