103142111221 has 8 divisors (see below), whose sum is σ = 109282176000. Its totient is φ = 97010144448.

The previous prime is 103142111213. The next prime is 103142111269. The reversal of 103142111221 is 122111241301.

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 103142111221 - 2³ = 103142111213 is a prime.

It is a super-2 number, since 2×103142111221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103142111201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1998261 + ... + 2049226.

It is an arithmetic number, because the mean of its divisors is an integer number (13660272000).

Almost surely, 2^103142111221 is an apocalyptic number.

It is an amenable number.

103142111221 is a deficient number, since it is larger than the sum of its proper divisors (6140064779).

103142111221 is a wasteful number, since it uses less digits than its factorization.

103142111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4049003.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 103142111221 its reverse (122111241301), we get a palindrome (225253352522).

The spelling of 103142111221 in words is "one hundred three billion, one hundred forty-two million, one hundred eleven thousand, two hundred twenty-one".