22121112112102 has 8 divisors (see below), whose sum is σ = 33181738228800. Its totient is φ = 11060532702504.

The previous prime is 22121112112093. The next prime is 22121112112103. The reversal of 22121112112102 is 20121121112122.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22121112112102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121112112103) by changing a digit.

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, 10467702 + ... + 12402217.

It is an arithmetic number, because the mean of its divisors is an integer number (4147717278600).

Almost surely, 2^{22121112112102} is an apocalyptic number.

22121112112102 is a deficient number, since it is larger than the sum of its proper divisors (11060626116698).

22121112112102 is a wasteful number, since it uses less digits than its factorization.

22121112112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23353550.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 22121112112102 its reverse (20121121112122), we get a palindrome (42242233224224).

The spelling of 22121112112102 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred twelve million, one hundred twelve thousand, one hundred two".