111142302230 has 24 divisors (see below), whose sum is σ = 209132425152. Its totient is φ = 42524009264.

The previous prime is 111142302223. The next prime is 111142302233. The reversal of 111142302230 is 32203241111.

It is a super-2 number, since 2×111142302230² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111142302233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10499654 + ... + 10510233.

It is an arithmetic number, because the mean of its divisors is an integer number (8713851048).

Almost surely, 2^111142302230 is an apocalyptic number.

111142302230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111142302230 is a deficient number, since it is larger than the sum of its proper divisors (97990122922).

111142302230 is a wasteful number, since it uses less digits than its factorization.

111142302230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21009940 (or 21009917 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 111142302230 its reverse (32203241111), we get a palindrome (143345543341).

The spelling of 111142302230 in words is "one hundred eleven billion, one hundred forty-two million, three hundred two thousand, two hundred thirty".