11221012112222 has 16 divisors (see below), whose sum is σ = 18362014498944. Its totient is φ = 5100360519000.

The previous prime is 11221012112129. The next prime is 11221012112257. The reversal of 11221012112222 is 22221121012211.

It is a super-2 number, since 2×11221012112222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11221012112194 and 11221012112203.

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, 3817604 + ... + 6084087.

It is an arithmetic number, because the mean of its divisors is an integer number (1147625906184).

Almost surely, 2^{11221012112222} is an apocalyptic number.

11221012112222 is a deficient number, since it is larger than the sum of its proper divisors (7141002386722).

11221012112222 is a wasteful number, since it uses less digits than its factorization.

11221012112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9953215.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11221012112222 its reverse (22221121012211), we get a palindrome (33442133124433).

It can be divided in two parts, 1122101 and 2112222, that added together give a palindrome (3234323).

The spelling of 11221012112222 in words is "eleven trillion, two hundred twenty-one billion, twelve million, one hundred twelve thousand, two hundred twenty-two".