22110121212000 has 96 divisors (see below), whose sum is σ = 72432757129824. Its totient is φ = 5896032320000.

The previous prime is 22110121211977. The next prime is 22110121212103. The reversal of 22110121212000 is 21212101122.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

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 15 ways as a sum of consecutive naturals, for example, 921243051 + ... + 921267050.

It is an arithmetic number, because the mean of its divisors is an integer number (754507886769).

Almost surely, 2^{22110121212000} is an apocalyptic number.

22110121212000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22110121212000 is an abundant number, since it is smaller than the sum of its proper divisors (50322635917824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22110121212000 is a wasteful number, since it uses less digits than its factorization.

22110121212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842510129 (or 1842510111 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22110121212000 its reverse (21212101122), we get a palindrome (22131333313122).

The spelling of 22110121212000 in words is "twenty-two trillion, one hundred ten billion, one hundred twenty-one million, two hundred twelve thousand".