9912011112011 has 4 divisors (see below), whose sum is σ = 10433695907400. Its totient is φ = 9390326316624.

The previous prime is 9912011111957. The next prime is 9912011112071. The reversal of 9912011112011 is 1102111102199.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9912011112011 - 2³⁴ = 9894831242827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9912011112071) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 260842397666 + ... + 260842397703.

It is an arithmetic number, because the mean of its divisors is an integer number (2608423976850).

Almost surely, 2^{9912011112011} is an apocalyptic number.

9912011112011 is a deficient number, since it is larger than the sum of its proper divisors (521684795389).

9912011112011 is a wasteful number, since it uses less digits than its factorization.

9912011112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521684795388.

The product of its (nonzero) digits is 324, while the sum is 29.

The spelling of 9912011112011 in words is "nine trillion, nine hundred twelve billion, eleven million, one hundred twelve thousand, eleven".