2180199229901 has 16 divisors (see below), whose sum is σ = 2720075420160. Its totient is φ = 1697665948080.

The previous prime is 2180199229861. The next prime is 2180199229933. The reversal of 2180199229901 is 1099229910812.

It is a cyclic number.

It is not a de Polignac number, because 2180199229901 - 2⁶ = 2180199229837 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2180199229991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9811031 + ... + 10030788.

It is an arithmetic number, because the mean of its divisors is an integer number (170004713760).

Almost surely, 2^{2180199229901} is an apocalyptic number.

It is an amenable number.

2180199229901 is a deficient number, since it is larger than the sum of its proper divisors (539876190259).

2180199229901 is a wasteful number, since it uses less digits than its factorization.

2180199229901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19843264.

The product of its (nonzero) digits is 419904, while the sum is 53.

The spelling of 2180199229901 in words is "two trillion, one hundred eighty billion, one hundred ninety-nine million, two hundred twenty-nine thousand, nine hundred one".