909012121111001 has 8 divisors (see below), whose sum is σ = 921710788959840. Its totient is φ = 896320113992352.

The previous prime is 909012121110983. The next prime is 909012121111019. The reversal of 909012121111001 is 100111121210909.

It is an interprime number because it is at equal distance from previous prime (909012121110983) and next prime (909012121111019).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 909012121111001 - 2¹⁴ = 909012121094617 is a prime.

It is a super-2 number, since 2×909012121111001² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (909012121110001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1664907695 + ... + 1665453588.

It is an arithmetic number, because the mean of its divisors is an integer number (115213848619980).

Almost surely, 2^{909012121111001} is an apocalyptic number.

It is an amenable number.

909012121111001 is a deficient number, since it is larger than the sum of its proper divisors (12698667848839).

909012121111001 is a wasteful number, since it uses less digits than its factorization.

909012121111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330365095.

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

The spelling of 909012121111001 in words is "nine hundred nine trillion, twelve billion, one hundred twenty-one million, one hundred eleven thousand, one".