10212212222 has 16 divisors (see below), whose sum is σ = 16309015632. Its totient is φ = 4779192960.

The previous prime is 10212212209. The next prime is 10212212249. The reversal of 10212212222 is 22221221201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 10212212222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823568 + ... + 835875.

It is an arithmetic number, because the mean of its divisors is an integer number (1019313477).

Almost surely, 2^10212212222 is an apocalyptic number.

10212212222 is a deficient number, since it is larger than the sum of its proper divisors (6096803410).

10212212222 is a wasteful number, since it uses less digits than its factorization.

10212212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659643.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10212212222 its reverse (22221221201), we get a palindrome (32433433423).

The spelling of 10212212222 in words is "ten billion, two hundred twelve million, two hundred twelve thousand, two hundred twenty-two".