103113121033221 has 32 divisors (see below), whose sum is σ = 148116144758400. Its totient is φ = 63430112385024.

The previous prime is 103113121033213. The next prime is 103113121033253. The reversal of 103113121033221 is 122330121311301.

It is not a de Polignac number, because 103113121033221 - 2³ = 103113121033213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103113121033191 and 103113121033200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103113121033201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1867388605 + ... + 1867443821.

It is an arithmetic number, because the mean of its divisors is an integer number (4628629523700).

Almost surely, 2^{103113121033221} is an apocalyptic number.

It is an amenable number.

103113121033221 is a deficient number, since it is larger than the sum of its proper divisors (45003023725179).

103113121033221 is a wasteful number, since it uses less digits than its factorization.

103113121033221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72565.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 103113121033221 its reverse (122330121311301), we get a palindrome (225443242344522).

The spelling of 103113121033221 in words is "one hundred three trillion, one hundred thirteen billion, one hundred twenty-one million, thirty-three thousand, two hundred twenty-one".