111201302020 has 96 divisors (see below), whose sum is σ = 249369539328. Its totient is φ = 41508052992.

The previous prime is 111201301951. The next prime is 111201302027. The reversal of 111201302020 is 20203102111.

It is not an unprimeable number, because it can be changed into a prime (111201302027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24583479 + ... + 24588001.

It is an arithmetic number, because the mean of its divisors is an integer number (2597599368).

Almost surely, 2^111201302020 is an apocalyptic number.

111201302020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111201302020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124684769664).

111201302020 is an abundant number, since it is smaller than the sum of its proper divisors (138168237308).

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

111201302020 is a wasteful number, since it uses less digits than its factorization.

111201302020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5149 (or 5147 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 111201302020 its reverse (20203102111), we get a palindrome (131404404131).

The spelling of 111201302020 in words is "one hundred eleven billion, two hundred one million, three hundred two thousand, twenty".