111101220222 has 32 divisors (see below), whose sum is σ = 222687504384. Its totient is φ = 36952977600.

The previous prime is 111101220173. The next prime is 111101220229. The reversal of 111101220222 is 222022101111.

It is a super-2 number, since 2×111101220222² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111101220229) 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, 6089658 + ... + 6107874.

It is an arithmetic number, because the mean of its divisors is an integer number (6958984512).

Almost surely, 2^111101220222 is an apocalyptic number.

111101220222 is an abundant number, since it is smaller than the sum of its proper divisors (111586284162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111101220222 is a wasteful number, since it uses less digits than its factorization.

111101220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20384.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111101220222 its reverse (222022101111), we get a palindrome (333123321333).

The spelling of 111101220222 in words is "one hundred eleven billion, one hundred one million, two hundred twenty thousand, two hundred twenty-two".