22110001222000 has 40 divisors (see below), whose sum is σ = 53461982959632. Its totient is φ = 8844000488000.

The previous prime is 22110001221991. The next prime is 22110001222003. The reversal of 22110001222000 is 22210001122.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110001222003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5527498306 + ... + 5527502305.

Almost surely, 2^{22110001222000} is an apocalyptic number.

22110001222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22110001222000 is an abundant number, since it is smaller than the sum of its proper divisors (31351981737632).

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

22110001222000 is a wasteful number, since it uses less digits than its factorization.

22110001222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11055000634 (or 11055000618 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22110001222000 its reverse (22210001122), we get a palindrome (22132211223122).

The spelling of 22110001222000 in words is "twenty-two trillion, one hundred ten billion, one million, two hundred twenty-two thousand".