101021011453 has 2 divisors, whose sum is σ = 101021011454. Its totient is φ = 101021011452.

The previous prime is 101021011451. The next prime is 101021011477. The reversal of 101021011453 is 354110120101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60231958084 + 40789053369 = 245422^2 + 201963^2 .

It is a cyclic number.

It is not a de Polignac number, because 101021011453 - 2¹ = 101021011451 is a prime.

Together with 101021011451, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 101021011453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101021011451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510505726 + 50510505727.

It is an arithmetic number, because the mean of its divisors is an integer number (50510505727).

Almost surely, 2^101021011453 is an apocalyptic number.

It is an amenable number.

101021011453 is a deficient number, since it is larger than the sum of its proper divisors (1).

101021011453 is an equidigital number, since it uses as much as digits as its factorization.

101021011453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 101021011453 its reverse (354110120101), we get a palindrome (455131131554).

The spelling of 101021011453 in words is "one hundred one billion, twenty-one million, eleven thousand, four hundred fifty-three".