103112212111 has 8 divisors (see below), whose sum is σ = 107600532480. Its totient is φ = 98624323512.

The previous prime is 103112212069. The next prime is 103112212129. The reversal of 103112212111 is 111212211301.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103112212111 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 (103112212141) 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, 439126 + ... + 631708.

It is an arithmetic number, because the mean of its divisors is an integer number (13450066560).

Almost surely, 2^103112212111 is an apocalyptic number.

103112212111 is a deficient number, since it is larger than the sum of its proper divisors (4488320369).

103112212111 is a wasteful number, since it uses less digits than its factorization.

103112212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215885.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 103112212111 its reverse (111212211301), we get a palindrome (214324423412).

The spelling of 103112212111 in words is "one hundred three billion, one hundred twelve million, two hundred twelve thousand, one hundred eleven".