11112121100010 has 128 divisors (see below), whose sum is σ = 30546699554304. Its totient is φ = 2534274662400.

The previous prime is 11112121100009. The next prime is 11112121100027. The reversal of 11112121100010 is 1000112121111.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 178044810 + ... + 178107210.

It is an arithmetic number, because the mean of its divisors is an integer number (238646090268).

Almost surely, 2^{11112121100010} is an apocalyptic number.

11112121100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11112121100010 is an abundant number, since it is smaller than the sum of its proper divisors (19434578454294).

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

11112121100010 is a wasteful number, since it uses less digits than its factorization.

11112121100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64288.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11112121100010 its reverse (1000112121111), we get a palindrome (12112233221121).

The spelling of 11112121100010 in words is "eleven trillion, one hundred twelve billion, one hundred twenty-one million, one hundred thousand, ten".