111101012222 has 16 divisors (see below), whose sum is σ = 168323562000. Its totient is φ = 54993302400.

The previous prime is 111101012179. The next prime is 111101012227. The reversal of 111101012222 is 222210101111.

It is a junction number, because it is equal to n+sod(n) for n = 111101012197 and 111101012206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111101012227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1723529 + ... + 1786827.

It is an arithmetic number, because the mean of its divisors is an integer number (10520222625).

Almost surely, 2^111101012222 is an apocalyptic number.

111101012222 is a deficient number, since it is larger than the sum of its proper divisors (57222549778).

111101012222 is a wasteful number, since it uses less digits than its factorization.

111101012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72091.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111101012222 its reverse (222210101111), we get a palindrome (333311113333).

The spelling of 111101012222 in words is "one hundred eleven billion, one hundred one million, twelve thousand, two hundred twenty-two".