20103413233121 has 2 divisors, whose sum is σ = 20103413233122. Its totient is φ = 20103413233120.

The previous prime is 20103413233109. The next prime is 20103413233181. The reversal of 20103413233121 is 12133231430102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20082766704400 + 20646528721 = 4481380^2 + 143689^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20103413233121 is a prime.

It is not a weakly prime, because it can be changed into another prime (20103413233181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051706616560 + 10051706616561.

It is an arithmetic number, because the mean of its divisors is an integer number (10051706616561).

Almost surely, 2^{20103413233121} is an apocalyptic number.

It is an amenable number.

20103413233121 is a deficient number, since it is larger than the sum of its proper divisors (1).

20103413233121 is an equidigital number, since it uses as much as digits as its factorization.

20103413233121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 20103413233121 its reverse (12133231430102), we get a palindrome (32236644663223).

The spelling of 20103413233121 in words is "twenty trillion, one hundred three billion, four hundred thirteen million, two hundred thirty-three thousand, one hundred twenty-one".