111020230143 has 6 divisors (see below), whose sum is σ = 160362554664. Its totient is φ = 74013486756.

The previous prime is 111020230127. The next prime is 111020230193. The reversal of 111020230143 is 341032020111.

It is not a de Polignac number, because 111020230143 - 2⁴ = 111020230127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111020230103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6167790555 + ... + 6167790572.

It is an arithmetic number, because the mean of its divisors is an integer number (26727092444).

Almost surely, 2^111020230143 is an apocalyptic number.

111020230143 is a deficient number, since it is larger than the sum of its proper divisors (49342324521).

111020230143 is a wasteful number, since it uses less digits than its factorization.

111020230143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12335581133 (or 12335581130 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 111020230143 its reverse (341032020111), we get a palindrome (452052250254).

The spelling of 111020230143 in words is "one hundred eleven billion, twenty million, two hundred thirty thousand, one hundred forty-three".