10111303020 has 192 divisors, whose sum is σ = 35787580416. Its totient is φ = 2075673600.

The previous prime is 10111302991. The next prime is 10111303031. The reversal of 10111303020 is 2030311101.

It is a super-2 number, since 2×10111303020² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10111302987 and 10111303005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 176995 + ... + 227045.

It is an arithmetic number, because the mean of its divisors is an integer number (186393648).

Almost surely, 2^10111303020 is an apocalyptic number.

10111303020 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 10111303020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17893790208).

10111303020 is an abundant number, since it is smaller than the sum of its proper divisors (25676277396).

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

10111303020 is a wasteful number, since it uses less digits than its factorization.

10111303020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50120 (or 50118 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 10111303020 its reverse (2030311101), we get a palindrome (12141614121).

It can be divided in two parts, 1011 and 1303020, that added together give a palindrome (1304031).

The spelling of 10111303020 in words is "ten billion, one hundred eleven million, three hundred three thousand, twenty".