11222101012222 has 32 divisors (see below), whose sum is σ = 17730469785600. Its totient is φ = 5316563897568.

The previous prime is 11222101012207. The next prime is 11222101012273. The reversal of 11222101012222 is 22221010122211.

It is a super-2 number, since 2×11222101012222² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11222101012222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20584153 + ... + 21122299.

It is an arithmetic number, because the mean of its divisors is an integer number (554077180800).

Almost surely, 2^{11222101012222} is an apocalyptic number.

11222101012222 is a deficient number, since it is larger than the sum of its proper divisors (6508368773378).

11222101012222 is a wasteful number, since it uses less digits than its factorization.

11222101012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542440.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11222101012222 its reverse (22221010122211), we get a palindrome (33443111134433).

The spelling of 11222101012222 in words is "eleven trillion, two hundred twenty-two billion, one hundred one million, twelve thousand, two hundred twenty-two".