11111012210012 has 24 divisors (see below), whose sum is σ = 22843619509872. Its totient is φ = 4661963164800.

The previous prime is 11111012210009. The next prime is 11111012210021. The reversal of 11111012210012 is 21001221011111.

It is a congruent number.

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, 9712422689 + ... + 9712423832.

It is an arithmetic number, because the mean of its divisors is an integer number (951817479578).

Almost surely, 2^{11111012210012} is an apocalyptic number.

It is an amenable number.

11111012210012 is an abundant number, since it is smaller than the sum of its proper divisors (11732607299860).

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

11111012210012 is a wasteful number, since it uses less digits than its factorization.

11111012210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19424846549 (or 19424846547 counting only the distinct ones).

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

Adding to 11111012210012 its reverse (21001221011111), we get a palindrome (32112233221123).

The spelling of 11111012210012 in words is "eleven trillion, one hundred eleven billion, twelve million, two hundred ten thousand, twelve".