111322061 has 4 divisors (see below), whose sum is σ = 111410112. Its totient is φ = 111234012.

The previous prime is 111322037. The next prime is 111322073. The reversal of 111322061 is 160223111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111322061 - 2¹⁸ = 111059917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111322021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42101 + ... + 44666.

It is an arithmetic number, because the mean of its divisors is an integer number (27852528).

Almost surely, 2^111322061 is an apocalyptic number.

It is an amenable number.

111322061 is a deficient number, since it is larger than the sum of its proper divisors (88051).

111322061 is an equidigital number, since it uses as much as digits as its factorization.

111322061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88050.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 111322061 is about 10550.9270208830. The cubic root of 111322061 is about 481.0539068189.

Adding to 111322061 its reverse (160223111), we get a palindrome (271545172).

The spelling of 111322061 in words is "one hundred eleven million, three hundred twenty-two thousand, sixty-one".