22201121222200 has 48 divisors (see below), whose sum is σ = 52344615422160. Its totient is φ = 8755371744000.

The previous prime is 22201121222153. The next prime is 22201121222201. The reversal of 22201121222200 is 222212110222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201121222201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 781715421 + ... + 781743820.

It is an arithmetic number, because the mean of its divisors is an integer number (1090512821295).

Almost surely, 2^{22201121222200} is an apocalyptic number.

22201121222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201121222200 is an abundant number, since it is smaller than the sum of its proper divisors (30143494199960).

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

22201121222200 is a wasteful number, since it uses less digits than its factorization.

22201121222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563459328 (or 1563459319 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22201121222200 its reverse (222212110222), we get a palindrome (22423333332422).

The spelling of 22201121222200 in words is "twenty-two trillion, two hundred one billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred".