2141105184980 has 18 divisors (see below), whose sum is σ = 4496334630606. Its totient is φ = 856439456448.

The previous prime is 2141105184931. The next prime is 2141105184989. The reversal of 2141105184980 is 894815011412.

It can be written as a sum of positive squares in 3 ways, for example, as 1694776970896 + 446328214084 = 1301836^2 + 668078^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141105184989) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6380264 + ... + 6707456.

It is an arithmetic number, because the mean of its divisors is an integer number (249796368367).

Almost surely, 2^{2141105184980} is an apocalyptic number.

2141105184980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2141105184980 is an abundant number, since it is smaller than the sum of its proper divisors (2355229445626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2141105184980 is an frugal number, since it uses more digits than its factorization.

2141105184980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654395 (or 327200 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 44.

The spelling of 2141105184980 in words is "two trillion, one hundred forty-one billion, one hundred five million, one hundred eighty-four thousand, nine hundred eighty".