12111010221001 has 8 divisors (see below), whose sum is σ = 12795823756800. Its totient is φ = 11430935879760.

The previous prime is 12111010220993. The next prime is 12111010221007. The reversal of 12111010221001 is 10012201011121.

It is a happy number.

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 12111010221001 - 2³ = 12111010220993 is a prime.

It is a super-2 number, since 2×12111010221001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12111010221007) 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, 1184793385 + ... + 1184803606.

It is an arithmetic number, because the mean of its divisors is an integer number (1599477969600).

Almost surely, 2^{12111010221001} is an apocalyptic number.

It is an amenable number.

12111010221001 is a deficient number, since it is larger than the sum of its proper divisors (684813535799).

12111010221001 is a wasteful number, since it uses less digits than its factorization.

12111010221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369597279.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12111010221001 its reverse (10012201011121), we get a palindrome (22123211232122).

The spelling of 12111010221001 in words is "twelve trillion, one hundred eleven billion, ten million, two hundred twenty-one thousand, one".