10111003020 has 72 divisors (see below), whose sum is σ = 31058314560. Its totient is φ = 2662133760.

The previous prime is 10111003009. The next prime is 10111003037. The reversal of 10111003020 is 2030011101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10111002993 and 10111003011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 341301 + ... + 369740.

It is an arithmetic number, because the mean of its divisors is an integer number (431365480).

Almost surely, 2^10111003020 is an apocalyptic number.

10111003020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111003020 is an abundant number, since it is smaller than the sum of its proper divisors (20947311540).

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

10111003020 is a wasteful number, since it uses less digits than its factorization.

10111003020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711135 (or 711130 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 10111003020 its reverse (2030011101), we get a palindrome (12141014121).

The spelling of 10111003020 in words is "ten billion, one hundred eleven million, three thousand, twenty".