6102189408121 has 3 divisors (see below), whose sum is σ = 6102191878383. Its totient is φ = 6102186937860.

The previous prime is 6102189408067. The next prime is 6102189408131. The reversal of 6102189408121 is 1218049812016.

The square root of 6102189408121 is 2470261.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 2641473318121 + 3460716090000 = 1625261^2 + 1860300^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6102189408121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6102189408131) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1235131 + ... + 3705391.

It is an arithmetic number, because the mean of its divisors is an integer number (2034063959461).

Almost surely, 2^{6102189408121} is an apocalyptic number.

6102189408121 is the 2470261-st square number.

6102189408121 is the 1235131-st centered octagonal number.

It is an amenable number.

6102189408121 is a deficient number, since it is larger than the sum of its proper divisors (2470262).

6102189408121 is an frugal number, since it uses more digits than its factorization.

6102189408121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4940522 (or 2470261 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 43.

The spelling of 6102189408121 in words is "six trillion, one hundred two billion, one hundred eighty-nine million, four hundred eight thousand, one hundred twenty-one".