111010021222 has 32 divisors (see below), whose sum is σ = 168594048000. Its totient is φ = 54817377888.

The previous prime is 111010021217. The next prime is 111010021261. The reversal of 111010021222 is 222120010111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45813903 + ... + 45816325.

It is an arithmetic number, because the mean of its divisors is an integer number (5268564000).

Almost surely, 2^111010021222 is an apocalyptic number.

111010021222 is a deficient number, since it is larger than the sum of its proper divisors (57584026778).

111010021222 is a wasteful number, since it uses less digits than its factorization.

111010021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3420.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111010021222 its reverse (222120010111), we get a palindrome (333130031333).

It can be divided in two parts, 11101002 and 1222, that added together give a square (11102224 = 3332²).

The spelling of 111010021222 in words is "one hundred eleven billion, ten million, twenty-one thousand, two hundred twenty-two".