103111032130221 has 16 divisors (see below), whose sum is σ = 137722195036800. Its totient is φ = 68620293772800.

The previous prime is 103111032130219. The next prime is 103111032130279. The reversal of 103111032130221 is 122031230111301.

It is not a de Polignac number, because 103111032130221 - 2¹ = 103111032130219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103111032130121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25516680 + ... + 29280078.

It is an arithmetic number, because the mean of its divisors is an integer number (8607637189800).

Almost surely, 2^{103111032130221} is an apocalyptic number.

It is an amenable number.

103111032130221 is a deficient number, since it is larger than the sum of its proper divisors (34611162906579).

103111032130221 is a wasteful number, since it uses less digits than its factorization.

103111032130221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3779396.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 103111032130221 its reverse (122031230111301), we get a palindrome (225142262241522).

The spelling of 103111032130221 in words is "one hundred three trillion, one hundred eleven billion, thirty-two million, one hundred thirty thousand, two hundred twenty-one".