11111003210 has 16 divisors (see below), whose sum is σ = 20377161576. Its totient is φ = 4360544448.

The previous prime is 11111003207. The next prime is 11111003219. The reversal of 11111003210 is 1230011111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8505819529 + 2605183681 = 92227^2 + 51041^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11111003191 and 11111003200.

It is not an unprimeable number, because it can be changed into a prime (11111003219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10481549 + ... + 10482608.

Almost surely, 2^11111003210 is an apocalyptic number.

11111003210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11111003210 is a deficient number, since it is larger than the sum of its proper divisors (9266158366).

11111003210 is a wasteful number, since it uses less digits than its factorization.

11111003210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20964217.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 11111003210 its reverse (1230011111), we get a palindrome (12341014321).

The spelling of 11111003210 in words is "eleven billion, one hundred eleven million, three thousand, two hundred ten".