221000222210112 has 168 divisors, whose sum is σ = 633844679374400. Its totient is φ = 73621694665728.

The previous prime is 221000222210107. The next prime is 221000222210113. The reversal of 221000222210112 is 211012222000122.

It is a happy number.

221000222210112 is a `hidden beast` number, since 22 + 100 + 0 + 222 + 210 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (221000222210113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14204004189 + ... + 14204019747.

Almost surely, 2^{221000222210112} is an apocalyptic number.

It is an amenable number.

221000222210112 is an abundant number, since it is smaller than the sum of its proper divisors (412844457164288).

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

221000222210112 is a wasteful number, since it uses less digits than its factorization.

221000222210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29073 (or 29060 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 221000222210112 its reverse (211012222000122), we get a palindrome (432012444210234).

The spelling of 221000222210112 in words is "two hundred twenty-one trillion, two hundred twenty-two million, two hundred ten thousand, one hundred twelve".