222221222201012 has 12 divisors (see below), whose sum is σ = 388887280311936. Its totient is φ = 111110570683320.

The previous prime is 222221222200981. The next prime is 222221222201029. The reversal of 222221222201012 is 210102222122222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4665437 + ... + 21591867.

It is an arithmetic number, because the mean of its divisors is an integer number (32407273359328).

Almost surely, 2^{222221222201012} is an apocalyptic number.

It is an amenable number.

222221222201012 is a deficient number, since it is larger than the sum of its proper divisors (166666058110924).

222221222201012 is a wasteful number, since it uses less digits than its factorization.

222221222201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20208598 (or 20208596 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 222221222201012 its reverse (210102222122222), we get a palindrome (432323444323234).

The spelling of 222221222201012 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred one thousand, twelve".