11111010012112 has 40 divisors (see below), whose sum is σ = 21541312517760. Its totient is φ = 5551962627840.

The previous prime is 11111010011963. The next prime is 11111010012127. The reversal of 11111010012112 is 21121001011111.

It is a junction number, because it is equal to n+sod(n) for n = 11111010012092 and 11111010012101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201393843 + ... + 201449005.

It is an arithmetic number, because the mean of its divisors is an integer number (538532812944).

Almost surely, 2^{11111010012112} is an apocalyptic number.

It is an amenable number.

11111010012112 is a deficient number, since it is larger than the sum of its proper divisors (10430302505648).

11111010012112 is a wasteful number, since it uses less digits than its factorization.

11111010012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62971 (or 62965 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11111010012112 its reverse (21121001011111), we get a palindrome (32232011023223).

The spelling of 11111010012112 in words is "eleven trillion, one hundred eleven billion, ten million, twelve thousand, one hundred twelve".