102111355 has 8 divisors (see below), whose sum is σ = 122607072. Its totient is φ = 81640128.

The previous prime is 102111319. The next prime is 102111389. The reversal of 102111355 is 553111201.

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 102111355 - 2¹⁷ = 101980283 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4842 + ... + 15088.

It is an arithmetic number, because the mean of its divisors is an integer number (15325884).

Almost surely, 2^102111355 is an apocalyptic number.

102111355 is a deficient number, since it is larger than the sum of its proper divisors (20495717).

102111355 is a wasteful number, since it uses less digits than its factorization.

102111355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12245.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 102111355 is about 10105.0163285370. The cubic root of 102111355 is about 467.4028394842.

Adding to 102111355 its reverse (553111201), we get a palindrome (655222556).

The spelling of 102111355 in words is "one hundred two million, one hundred eleven thousand, three hundred fifty-five".