102161055111 has 8 divisors (see below), whose sum is σ = 136225317744. Its totient is φ = 68102081280.

The previous prime is 102161055107. The next prime is 102161055119. The reversal of 102161055111 is 111550161201.

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

It is not a de Polignac number, because 102161055111 - 2² = 102161055107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102161055119) 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, 1276906 + ... + 1354551.

It is an arithmetic number, because the mean of its divisors is an integer number (17028164718).

Almost surely, 2^102161055111 is an apocalyptic number.

102161055111 is a deficient number, since it is larger than the sum of its proper divisors (34064262633).

102161055111 is a wasteful number, since it uses less digits than its factorization.

102161055111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644401.

The product of its (nonzero) digits is 300, while the sum is 24.

The spelling of 102161055111 in words is "one hundred two billion, one hundred sixty-one million, fifty-five thousand, one hundred eleven".