22222201021112 has 16 divisors (see below), whose sum is σ = 42635618238840. Its totient is φ = 10852702824096.

The previous prime is 22222201021109. The next prime is 22222201021117. The reversal of 22222201021112 is 21112010222222.

It is a super-2 number, since 2×22222201021112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222201021117) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 32299710443 + ... + 32299711130.

Almost surely, 2^{22222201021112} is an apocalyptic number.

It is an amenable number.

22222201021112 is a deficient number, since it is larger than the sum of its proper divisors (20413417217728).

22222201021112 is a wasteful number, since it uses less digits than its factorization.

22222201021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64599421622 (or 64599421618 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22222201021112 its reverse (21112010222222), we get a palindrome (43334211243334).

The spelling of 22222201021112 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred one million, twenty-one thousand, one hundred twelve".