222101220412 has 12 divisors (see below), whose sum is σ = 388825674160. Its totient is φ = 111008170656.

The previous prime is 222101220401. The next prime is 222101220431. The reversal of 222101220412 is 214022101222.

It is a self number, because there is not a number n which added to its sum of digits gives 222101220412.

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, 10598112 + ... + 10619047.

Almost surely, 2^222101220412 is an apocalyptic number.

It is an amenable number.

222101220412 is a deficient number, since it is larger than the sum of its proper divisors (166724453748).

222101220412 is a wasteful number, since it uses less digits than its factorization.

222101220412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21219780 (or 21219778 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222101220412 its reverse (214022101222), we get a palindrome (436123321634).

The spelling of 222101220412 in words is "two hundred twenty-two billion, one hundred one million, two hundred twenty thousand, four hundred twelve".