102121103 has 8 divisors (see below), whose sum is σ = 116793120. Its totient is φ = 87469920.

The previous prime is 102121069. The next prime is 102121109. The reversal of 102121103 is 301121201.

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 102121103 - 2²⁴ = 85343887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121109) 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, 7313 + ... + 16053.

It is an arithmetic number, because the mean of its divisors is an integer number (14599140).

Almost surely, 2^102121103 is an apocalyptic number.

102121103 is a deficient number, since it is larger than the sum of its proper divisors (14672017).

102121103 is an equidigital number, since it uses as much as digits as its factorization.

102121103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10417.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 102121103 is about 10105.4986517242. The cubic root of 102121103 is about 467.4177124560.

Adding to 102121103 its reverse (301121201), we get a palindrome (403242304).

The spelling of 102121103 in words is "one hundred two million, one hundred twenty-one thousand, one hundred three".