102947843099181 has 8 divisors (see below), whose sum is σ = 138265716279744. Its totient is φ = 68130932659040.

The previous prime is 102947843099137. The next prime is 102947843099197. The reversal of 102947843099181 is 181990348749201.

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 102947843099181 - 2²³ = 102947834710573 is a prime.

It is a super-2 number, since 2×102947843099181² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102947843099111) 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, 125240684625 + ... + 125240685446.

It is an arithmetic number, because the mean of its divisors is an integer number (17283214534968).

Almost surely, 2^{102947843099181} is an apocalyptic number.

It is an amenable number.

102947843099181 is a deficient number, since it is larger than the sum of its proper divisors (35317873180563).

102947843099181 is a wasteful number, since it uses less digits than its factorization.

102947843099181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250481370211.

The product of its (nonzero) digits is 31352832, while the sum is 66.

The spelling of 102947843099181 in words is "one hundred two trillion, nine hundred forty-seven billion, eight hundred forty-three million, ninety-nine thousand, one hundred eighty-one".