11201031020 has 24 divisors (see below), whose sum is σ = 23540272224. Its totient is φ = 4476963456.

The previous prime is 11201031019. The next prime is 11201031109. The reversal of 11201031020 is 2013010211.

11201031020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11201031020² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11201030992 and 11201031010.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 188849 + ... + 240968.

It is an arithmetic number, because the mean of its divisors is an integer number (980844676).

Almost surely, 2^11201031020 is an apocalyptic number.

11201031020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11201031020 is an abundant number, since it is smaller than the sum of its proper divisors (12339241204).

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

11201031020 is a wasteful number, since it uses less digits than its factorization.

11201031020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431129 (or 431127 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11201031020 its reverse (2013010211), we get a palindrome (13214041231).

The spelling of 11201031020 in words is "eleven billion, two hundred one million, thirty-one thousand, twenty".