111120200201020 has 36 divisors (see below), whose sum is σ = 233989996280040. Its totient is φ = 44326967071008.

The previous prime is 111120200201011. The next prime is 111120200201027. The reversal of 111120200201020 is 20102002021111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111120200201027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17931550 + ... + 23319109.

It is an arithmetic number, because the mean of its divisors is an integer number (6499722118890).

Almost surely, 2^{111120200201020} is an apocalyptic number.

111120200201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111120200201020 is an abundant number, since it is smaller than the sum of its proper divisors (122869796079020).

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

111120200201020 is an equidigital number, since it uses as much as digits as its factorization.

111120200201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41251402 (or 41251033 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111120200201020 its reverse (20102002021111), we get a palindrome (131222202222131).

The spelling of 111120200201020 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred million, two hundred one thousand, twenty".