2180220009911 has 8 divisors (see below), whose sum is σ = 2188608912000. Its totient is φ = 2171843347680.

The previous prime is 2180220009883. The next prime is 2180220009937. The reversal of 2180220009911 is 1199000220812.

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 2180220009911 - 2¹⁸ = 2180219747767 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 (2180220009991) 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, 2702951 + ... + 3415608.

It is an arithmetic number, because the mean of its divisors is an integer number (273576114000).

Almost surely, 2^{2180220009911} is an apocalyptic number.

2180220009911 is a deficient number, since it is larger than the sum of its proper divisors (8388902089).

2180220009911 is a wasteful number, since it uses less digits than its factorization.

2180220009911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6119929.

The product of its (nonzero) digits is 5184, while the sum is 35.

The spelling of 2180220009911 in words is "two trillion, one hundred eighty billion, two hundred twenty million, nine thousand, nine hundred eleven".