222110100012 has 96 divisors (see below), whose sum is σ = 543094336512. Its totient is φ = 70573890816.

The previous prime is 222110100011. The next prime is 222110100013. The reversal of 222110100012 is 210001011222.

It is an interprime number because it is at equal distance from previous prime (222110100011) and next prime (222110100013).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (222110100011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17101273 + ... + 17114255.

It is an arithmetic number, because the mean of its divisors is an integer number (5657232672).

Almost surely, 2^222110100012 is an apocalyptic number.

It is an amenable number.

222110100012 is an abundant number, since it is smaller than the sum of its proper divisors (320984236500).

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

222110100012 is a wasteful number, since it uses less digits than its factorization.

222110100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13807 (or 13805 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 222110100012 its reverse (210001011222), we get a palindrome (432111111234).

The spelling of 222110100012 in words is "two hundred twenty-two billion, one hundred ten million, one hundred thousand, twelve".