111020164 has 6 divisors (see below), whose sum is σ = 194285294. Its totient is φ = 55510080.

The previous prime is 111020159. The next prime is 111020167. The reversal of 111020164 is 461020111.

It can be written as a sum of positive squares in only one way, i.e., 104040000 + 6980164 = 10200^2 + 2642^2 .

It is not an unprimeable number, because it can be changed into a prime (111020167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13877517 + ... + 13877524.

Almost surely, 2^111020164 is an apocalyptic number.

It is an amenable number.

111020164 is a deficient number, since it is larger than the sum of its proper divisors (83265130).

111020164 is a wasteful number, since it uses less digits than its factorization.

111020164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27755045 (or 27755043 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 111020164 is about 10536.6106504891. The cubic root of 111020164 is about 480.6186525328.

Adding to 111020164 its reverse (461020111), we get a palindrome (572040275).

The spelling of 111020164 in words is "one hundred eleven million, twenty thousand, one hundred sixty-four".