912101222002111 has 4 divisors (see below), whose sum is σ = 951757796871792. Its totient is φ = 872444647132432.

The previous prime is 912101222002043. The next prime is 912101222002121. The reversal of 912101222002111 is 111200222101219.

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 912101222002111 - 2¹³ = 912101221993919 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 (912101222002121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19828287434806 + ... + 19828287434851.

It is an arithmetic number, because the mean of its divisors is an integer number (237939449217948).

Almost surely, 2^{912101222002111} is an apocalyptic number.

912101222002111 is a deficient number, since it is larger than the sum of its proper divisors (39656574869681).

912101222002111 is a wasteful number, since it uses less digits than its factorization.

912101222002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39656574869680.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 912101222002111 in words is "nine hundred twelve trillion, one hundred one billion, two hundred twenty-two million, two thousand, one hundred eleven".