101012103 has 10 divisors (see below), whose sum is σ = 150894744. Its totient is φ = 67341348.

The previous prime is 101012089. The next prime is 101012137. The reversal of 101012103 is 301210101.

It is not a de Polignac number, because 101012103 - 2¹⁷ = 100881031 is a prime.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101012143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 623451 + ... + 623612.

Almost surely, 2^101012103 is an apocalyptic number.

101012103 is a deficient number, since it is larger than the sum of its proper divisors (49882641).

101012103 is an equidigital number, since it uses as much as digits as its factorization.

101012103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247075 (or 1247066 counting only the distinct ones).

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

The square root of 101012103 is about 10050.4777498386. The cubic root of 101012103 is about 465.7195519470.

Adding to 101012103 its reverse (301210101), we get a palindrome (402222204).

The spelling of 101012103 in words is "one hundred one million, twelve thousand, one hundred three".