222101012 has 12 divisors (see below), whose sum is σ = 444202080. Its totient is φ = 95186136.

The previous prime is 222101003. The next prime is 222101017. The reversal of 222101012 is 210101222.

It is a happy number.

222101012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 222100984 and 222101002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222101017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3966062 + ... + 3966117.

It is an arithmetic number, because the mean of its divisors is an integer number (37016840).

Almost surely, 2^222101012 is an apocalyptic number.

It is an amenable number.

222101012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

222101012 is a wasteful number, since it uses less digits than its factorization.

222101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7932190 (or 7932188 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 222101012 is about 14903.0537810209. The cubic root of 222101012 is about 605.5967174531.

Adding to 222101012 its reverse (210101222), we get a palindrome (432202234).

It can be divided in two parts, 22 and 2101012, that multiplied together give a palindrome (46222264).

The spelling of 222101012 in words is "two hundred twenty-two million, one hundred one thousand, twelve".