2180372081101 has 8 divisors (see below), whose sum is σ = 2235925166400. Its totient is φ = 2125509096480.

The previous prime is 2180372081089. The next prime is 2180372081113. The reversal of 2180372081101 is 1011802730812.

It is an interprime number because it is at equal distance from previous prime (2180372081089) and next prime (2180372081113).

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 2180372081101 - 2²⁵ = 2180338526669 is a prime.

It is a super-3 number, since 3×2180372081101³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2180372081141) 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, 172518771 + ... + 172531408.

It is an arithmetic number, because the mean of its divisors is an integer number (279490645800).

Almost surely, 2^{2180372081101} is an apocalyptic number.

It is an amenable number.

2180372081101 is a deficient number, since it is larger than the sum of its proper divisors (55553085299).

2180372081101 is an equidigital number, since it uses as much as digits as its factorization.

2180372081101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345050339.

The product of its (nonzero) digits is 5376, while the sum is 34.

The spelling of 2180372081101 in words is "two trillion, one hundred eighty billion, three hundred seventy-two million, eighty-one thousand, one hundred one".