101221113103 has 8 divisors (see below), whose sum is σ = 115224034176. Its totient is φ = 88018359000.

The previous prime is 101221113079. The next prime is 101221113121. The reversal of 101221113103 is 301311122101.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-101221113103 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 (101221113163) 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, 200041473 + ... + 200041978.

It is an arithmetic number, because the mean of its divisors is an integer number (14403004272).

Almost surely, 2^101221113103 is an apocalyptic number.

101221113103 is a deficient number, since it is larger than the sum of its proper divisors (14002921073).

101221113103 is a wasteful number, since it uses less digits than its factorization.

101221113103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400083485.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 101221113103 its reverse (301311122101), we get a palindrome (402532235204).

The spelling of 101221113103 in words is "one hundred one billion, two hundred twenty-one million, one hundred thirteen thousand, one hundred three".