222011312102 has 4 divisors (see below), whose sum is σ = 333016968156. Its totient is φ = 111005656050.

The previous prime is 222011312069. The next prime is 222011312129. The reversal of 222011312102 is 201213110222.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 55502828024 + ... + 55502828027.

It is an arithmetic number, because the mean of its divisors is an integer number (83254242039).

Almost surely, 2^222011312102 is an apocalyptic number.

222011312102 is a deficient number, since it is larger than the sum of its proper divisors (111005656054).

222011312102 is a wasteful number, since it uses less digits than its factorization.

222011312102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111005656053.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 222011312102 its reverse (201213110222), we get a palindrome (423224422324).

The spelling of 222011312102 in words is "two hundred twenty-two billion, eleven million, three hundred twelve thousand, one hundred two".