11112121210010 has 16 divisors (see below), whose sum is σ = 20001891961800. Its totient is φ = 4444832087616.

The previous prime is 11112121210007. The next prime is 11112121210051. The reversal of 11112121210010 is 1001212121111.

It can be written as a sum of positive squares in 4 ways, for example, as 8662173126649 + 2449948083361 = 2943157^2 + 1565231^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015076 + ... + 4822304.

Almost surely, 2^{11112121210010} is an apocalyptic number.

11112121210010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11112121210010 is a deficient number, since it is larger than the sum of its proper divisors (8889770751790).

11112121210010 is a wasteful number, since it uses less digits than its factorization.

11112121210010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4099105.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11112121210010 its reverse (1001212121111), we get a palindrome (12113333331121).

The spelling of 11112121210010 in words is "eleven trillion, one hundred twelve billion, one hundred twenty-one million, two hundred ten thousand, ten".