102043215161 has 16 divisors (see below), whose sum is σ = 105307496448. Its totient is φ = 98822883600.

The previous prime is 102043215133. The next prime is 102043215229. The reversal of 102043215161 is 161512340201.

It is a cyclic number.

It is not a de Polignac number, because 102043215161 - 2⁶ = 102043215097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102043215161.

It is not an unprimeable number, because it can be changed into a prime (102043215361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2501156 + ... + 2541626.

It is an arithmetic number, because the mean of its divisors is an integer number (6581718528).

Almost surely, 2^102043215161 is an apocalyptic number.

It is an amenable number.

102043215161 is a deficient number, since it is larger than the sum of its proper divisors (3264281287).

102043215161 is a wasteful number, since it uses less digits than its factorization.

102043215161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41012.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 102043215161 its reverse (161512340201), we get a palindrome (263555555362).

The spelling of 102043215161 in words is "one hundred two billion, forty-three million, two hundred fifteen thousand, one hundred sixty-one".