222011022101212 has 6 divisors (see below), whose sum is σ = 388519288677128. Its totient is φ = 111005511050604.

The previous prime is 222011022101149. The next prime is 222011022101249. The reversal of 222011022101212 is 212101220110222.

It is a self number, because there is not a number n which added to its sum of digits gives 222011022101212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27751377762648 + ... + 27751377762655.

Almost surely, 2^{222011022101212} is an apocalyptic number.

It is an amenable number.

222011022101212 is a deficient number, since it is larger than the sum of its proper divisors (166508266575916).

222011022101212 is a wasteful number, since it uses less digits than its factorization.

222011022101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55502755525307 (or 55502755525305 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222011022101212 its reverse (212101220110222), we get a palindrome (434112242211434).

The spelling of 222011022101212 in words is "two hundred twenty-two trillion, eleven billion, twenty-two million, one hundred one thousand, two hundred twelve".