912011122101 has 4 divisors (see below), whose sum is σ = 1216014829472. Its totient is φ = 608007414732.

The previous prime is 912011122091. The next prime is 912011122129. The reversal of 912011122101 is 101221110219.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 912011122101 - 2¹⁵ = 912011089333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (912011122171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152001853681 + ... + 152001853686.

It is an arithmetic number, because the mean of its divisors is an integer number (304003707368).

Almost surely, 2^912011122101 is an apocalyptic number.

It is an amenable number.

912011122101 is a deficient number, since it is larger than the sum of its proper divisors (304003707371).

912011122101 is a wasteful number, since it uses less digits than its factorization.

912011122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304003707370.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 912011122101 in words is "nine hundred twelve billion, eleven million, one hundred twenty-two thousand, one hundred one".