101211103 has 4 divisors (see below), whose sum is σ = 115669840. Its totient is φ = 86752368.

The previous prime is 101211059. The next prime is 101211151. The reversal of 101211103 is 301112101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101211103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101211103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101211203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7229358 + ... + 7229371.

It is an arithmetic number, because the mean of its divisors is an integer number (28917460).

Almost surely, 2^101211103 is an apocalyptic number.

101211103 is a deficient number, since it is larger than the sum of its proper divisors (14458737).

101211103 is an equidigital number, since it uses as much as digits as its factorization.

101211103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14458736.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 101211103 is about 10060.3729056134. The cubic root of 101211103 is about 466.0251832989.

Adding to 101211103 its reverse (301112101), we get a palindrome (402323204).

The spelling of 101211103 in words is "one hundred one million, two hundred eleven thousand, one hundred three".