10121103 has 24 divisors (see below), whose sum is σ = 15685488. Its totient is φ = 6266112.

The previous prime is 10121093. The next prime is 10121107. The reversal of 10121103 is 30112101.

It is not a de Polignac number, because 10121103 - 2¹² = 10117007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12301 + ... + 13097.

It is an arithmetic number, because the mean of its divisors is an integer number (653562).

Almost surely, 2^10121103 is an apocalyptic number.

10121103 is a deficient number, since it is larger than the sum of its proper divisors (5564385).

10121103 is a wasteful number, since it uses less digits than its factorization.

10121103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 10121103 is about 3181.3681019335. The cubic root of 10121103 is about 216.3096766927.

Adding to 10121103 its reverse (30112101), we get a palindrome (40233204).

The spelling of 10121103 in words is "ten million, one hundred twenty-one thousand, one hundred three".