10011212222 has 16 divisors (see below), whose sum is σ = 16384168944. Its totient is φ = 4549944000.

The previous prime is 10011212209. The next prime is 10011212243. The reversal of 10011212222 is 22221211001.

It is a junction number, because it is equal to n+sod(n) for n = 10011212197 and 10011212206.

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, 166772 + ... + 218712.

It is an arithmetic number, because the mean of its divisors is an integer number (1024010559).

Almost surely, 2^10011212222 is an apocalyptic number.

10011212222 is a deficient number, since it is larger than the sum of its proper divisors (6372956722).

10011212222 is a wasteful number, since it uses less digits than its factorization.

10011212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60715.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10011212222 its reverse (22221211001), we get a palindrome (32232423223).

The spelling of 10011212222 in words is "ten billion, eleven million, two hundred twelve thousand, two hundred twenty-two".