111023640140020 has 24 divisors (see below), whose sum is σ = 236343475040904. Its totient is φ = 43801107342336.

The previous prime is 111023640139999. The next prime is 111023640140051. The reversal of 111023640140020 is 20041046320111.

111023640140020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 22186153607524 + 88837486532496 = 4710218^2 + 9425364^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38021793109 + ... + 38021796028.

It is an arithmetic number, because the mean of its divisors is an integer number (9847644793371).

Almost surely, 2^{111023640140020} is an apocalyptic number.

111023640140020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111023640140020 is an abundant number, since it is smaller than the sum of its proper divisors (125319834900884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111023640140020 is a wasteful number, since it uses less digits than its factorization.

111023640140020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76043589219 (or 76043589217 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 111023640140020 its reverse (20041046320111), we get a palindrome (131064686460131).

The spelling of 111023640140020 in words is "one hundred eleven trillion, twenty-three billion, six hundred forty million, one hundred forty thousand, twenty".