111011122021222 has 32 divisors (see below), whose sum is σ = 168777207244800. Its totient is φ = 54753334084800.

The previous prime is 111011122021169. The next prime is 111011122021229. The reversal of 111011122021222 is 222120221110111.

It is a happy number.

It is a super-3 number, since 3×111011122021222³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111011122021222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111011122021229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2896250554 + ... + 2896288882.

It is an arithmetic number, because the mean of its divisors is an integer number (5274287726400).

Almost surely, 2^{111011122021222} is an apocalyptic number.

111011122021222 is a deficient number, since it is larger than the sum of its proper divisors (57766085223578).

111011122021222 is a wasteful number, since it uses less digits than its factorization.

111011122021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54532.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111011122021222 its reverse (222120221110111), we get a palindrome (333131343131333).

The spelling of 111011122021222 in words is "one hundred eleven trillion, eleven billion, one hundred twenty-two million, twenty-one thousand, two hundred twenty-two".