10111211222 has 16 divisors (see below), whose sum is σ = 17449840800. Its totient is φ = 4304292288.

The previous prime is 10111211213. The next prime is 10111211249. The reversal of 10111211222 is 22211211101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 10111211197 and 10111211206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2421503 + ... + 2425674.

It is an arithmetic number, because the mean of its divisors is an integer number (1090615050).

Almost surely, 2^10111211222 is an apocalyptic number.

10111211222 is a deficient number, since it is larger than the sum of its proper divisors (7338629578).

10111211222 is a wasteful number, since it uses less digits than its factorization.

10111211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4847335.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10111211222 its reverse (22211211101), we get a palindrome (32322422323).

The spelling of 10111211222 in words is "ten billion, one hundred eleven million, two hundred eleven thousand, two hundred twenty-two".