22120021010200 has 96 divisors (see below), whose sum is σ = 51832497351600. Its totient is φ = 8778680156160.

The previous prime is 22120021010107. The next prime is 22120021010221. The reversal of 22120021010200 is 201012002122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42917224 + ... + 43429576.

Almost surely, 2^{22120021010200} is an apocalyptic number.

22120021010200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22120021010200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25916248675800).

22120021010200 is an abundant number, since it is smaller than the sum of its proper divisors (29712476341400).

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

22120021010200 is a wasteful number, since it uses less digits than its factorization.

22120021010200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514061 (or 514052 counting only the distinct ones).

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

Adding to 22120021010200 its reverse (201012002122), we get a palindrome (22321033012322).

The spelling of 22120021010200 in words is "twenty-two trillion, one hundred twenty billion, twenty-one million, ten thousand, two hundred".