2102040412210 has 8 divisors (see below), whose sum is σ = 3783672741996. Its totient is φ = 840816164880.

The previous prime is 2102040412193. The next prime is 2102040412211. The reversal of 2102040412210 is 122140402012.

It can be written as a sum of positive squares in 2 ways, for example, as 2042895631401 + 59144780809 = 1429299^2 + 243197^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2102040412211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105102020601 + ... + 105102020620.

Almost surely, 2^{2102040412210} is an apocalyptic number.

2102040412210 is a deficient number, since it is larger than the sum of its proper divisors (1681632329786).

2102040412210 is a wasteful number, since it uses less digits than its factorization.

2102040412210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210204041228.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2102040412210 its reverse (122140402012), we get a palindrome (2224180814222).

The spelling of 2102040412210 in words is "two trillion, one hundred two billion, forty million, four hundred twelve thousand, two hundred ten".