10122211222 has 16 divisors (see below), whose sum is σ = 15278090400. Its totient is φ = 5029609600.

The previous prime is 10122211199. The next prime is 10122211237. The reversal of 10122211222 is 22211222101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10122211196 and 10122211205.

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, 192279 + ... + 239197.

It is an arithmetic number, because the mean of its divisors is an integer number (954880650).

Almost surely, 2^10122211222 is an apocalyptic number.

10122211222 is a deficient number, since it is larger than the sum of its proper divisors (5155879178).

10122211222 is a wasteful number, since it uses less digits than its factorization.

10122211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47591.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10122211222 its reverse (22211222101), we get a palindrome (32333433323).

It can be divided in two parts, 101 and 22211222, that multiplied together give a palindrome (2243333422).

The spelling of 10122211222 in words is "ten billion, one hundred twenty-two million, two hundred eleven thousand, two hundred twenty-two".