103015135503221 has 2 divisors, whose sum is σ = 103015135503222. Its totient is φ = 103015135503220.

The previous prime is 103015135503131. The next prime is 103015135503233. The reversal of 103015135503221 is 122305531510301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99029366822500 + 3985768680721 = 9951350^2 + 1996439^2 .

It is a cyclic number.

It is not a de Polignac number, because 103015135503221 - 2³⁰ = 103014061761397 is a prime.

It is a super-2 number, since 2×103015135503221² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103015135503271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51507567751610 + 51507567751611.

It is an arithmetic number, because the mean of its divisors is an integer number (51507567751611).

Almost surely, 2^{103015135503221} is an apocalyptic number.

It is an amenable number.

103015135503221 is a deficient number, since it is larger than the sum of its proper divisors (1).

103015135503221 is an equidigital number, since it uses as much as digits as its factorization.

103015135503221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 32.

The spelling of 103015135503221 in words is "one hundred three trillion, fifteen billion, one hundred thirty-five million, five hundred three thousand, two hundred twenty-one".