222112222011102 has 16 divisors (see below), whose sum is σ = 448155633793680. Its totient is φ = 73382209041792.

The previous prime is 222112222011047. The next prime is 222112222011157. The reversal of 222112222011102 is 201110222211222.

It is an interprime number because it is at equal distance from previous prime (222112222011047) and next prime (222112222011157).

It is a super-2 number, since 2×222112222011102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163799573077 + ... + 163799574432.

It is an arithmetic number, because the mean of its divisors is an integer number (28009727112105).

Almost surely, 2^{222112222011102} is an apocalyptic number.

222112222011102 is an abundant number, since it is smaller than the sum of its proper divisors (226043411782578).

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

222112222011102 is a wasteful number, since it uses less digits than its factorization.

222112222011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327599147627.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 222112222011102 its reverse (201110222211222), we get a palindrome (423222444222324).

The spelling of 222112222011102 in words is "two hundred twenty-two trillion, one hundred twelve billion, two hundred twenty-two million, eleven thousand, one hundred two".