101042521403 has 2 divisors, whose sum is σ = 101042521404. Its totient is φ = 101042521402.

The previous prime is 101042521387. The next prime is 101042521429. The reversal of 101042521403 is 304125240101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101042521403 - 2⁴ = 101042521387 is a prime.

It is a super-2 number, since 2×101042521403² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101042521453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50521260701 + 50521260702.

It is an arithmetic number, because the mean of its divisors is an integer number (50521260702).

Almost surely, 2^101042521403 is an apocalyptic number.

101042521403 is a deficient number, since it is larger than the sum of its proper divisors (1).

101042521403 is an equidigital number, since it uses as much as digits as its factorization.

101042521403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 101042521403 its reverse (304125240101), we get a palindrome (405167761504).

The spelling of 101042521403 in words is "one hundred one billion, forty-two million, five hundred twenty-one thousand, four hundred three".