222210212111200 has 72 divisors (see below), whose sum is σ = 542475323997768. Its totient is φ = 88883323975680.

The previous prime is 222210212111131. The next prime is 222210212111243. The reversal of 222210212111200 is 2111212012222.

It is a super-2 number, since 2×222210212111200² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97435144 + ... + 99689656.

It is an arithmetic number, because the mean of its divisors is an integer number (7534379499969).

Almost surely, 2^{222210212111200} is an apocalyptic number.

222210212111200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222210212111200 is an abundant number, since it is smaller than the sum of its proper divisors (320265111886568).

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

222210212111200 is a wasteful number, since it uses less digits than its factorization.

222210212111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377736 (or 2377723 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222210212111200 its reverse (2111212012222), we get a palindrome (224321424123422).

The spelling of 222210212111200 in words is "two hundred twenty-two trillion, two hundred ten billion, two hundred twelve million, one hundred eleven thousand, two hundred".