11112011210 has 8 divisors (see below), whose sum is σ = 20001620196. Its totient is φ = 4444804480.

The previous prime is 11112011201. The next prime is 11112011231. The reversal of 11112011210 is 1211021111.

It can be written as a sum of positive squares in 2 ways, for example, as 10136261041 + 975750169 = 100679^2 + 31237^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11112011191 and 11112011200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555600551 + ... + 555600570.

Almost surely, 2^11112011210 is an apocalyptic number.

11112011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11112011210 is a deficient number, since it is larger than the sum of its proper divisors (8889608986).

11112011210 is a wasteful number, since it uses less digits than its factorization.

11112011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111201128.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11112011210 its reverse (1211021111), we get a palindrome (12323032321).

Subtracting from 11112011210 its reverse (1211021111), we obtain a palindrome (9900990099).

The spelling of 11112011210 in words is "eleven billion, one hundred twelve million, eleven thousand, two hundred ten".