22211321013200 has 120 divisors (see below), whose sum is σ = 58215937977216. Its totient is φ = 8076554752000.

The previous prime is 22211321013157. The next prime is 22211321013221. The reversal of 22211321013200 is 231012311222.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 151775264 + ... + 151921536.

Almost surely, 2^{22211321013200} is an apocalyptic number.

22211321013200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22211321013200 is an abundant number, since it is smaller than the sum of its proper divisors (36004616964016).

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

22211321013200 is a wasteful number, since it uses less digits than its factorization.

22211321013200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180813 (or 180802 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 22211321013200 its reverse (231012311222), we get a palindrome (22442333324422).

The spelling of 22211321013200 in words is "twenty-two trillion, two hundred eleven billion, three hundred twenty-one million, thirteen thousand, two hundred".