111221022134 has 16 divisors (see below), whose sum is σ = 168806151360. Its totient is φ = 54953046720.

The previous prime is 111221022131. The next prime is 111221022163. The reversal of 111221022134 is 431220122111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111221022131) 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, 116819 + ... + 485889.

It is an arithmetic number, because the mean of its divisors is an integer number (10550384460).

Almost surely, 2^111221022134 is an apocalyptic number.

111221022134 is a deficient number, since it is larger than the sum of its proper divisors (57585129226).

111221022134 is a wasteful number, since it uses less digits than its factorization.

111221022134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370855.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 111221022134 its reverse (431220122111), we get a palindrome (542441144245).

The spelling of 111221022134 in words is "one hundred eleven billion, two hundred twenty-one million, twenty-two thousand, one hundred thirty-four".