2101535253133 has 4 divisors (see below), whose sum is σ = 2120815393180. Its totient is φ = 2082255113088.

The previous prime is 2101535253101. The next prime is 2101535253137. The reversal of 2101535253133 is 3313525351012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1453321869444 + 648213383689 = 1205538^2 + 805117^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101535253133 - 2⁵ = 2101535253101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101535253137) 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 in 3 ways as a sum of consecutive naturals, for example, 9640069860 + ... + 9640070077.

It is an arithmetic number, because the mean of its divisors is an integer number (530203848295).

Almost surely, 2^{2101535253133} is an apocalyptic number.

It is an amenable number.

2101535253133 is a deficient number, since it is larger than the sum of its proper divisors (19280140047).

2101535253133 is a wasteful number, since it uses less digits than its factorization.

2101535253133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19280140046.

The product of its (nonzero) digits is 40500, while the sum is 34.

The spelling of 2101535253133 in words is "two trillion, one hundred one billion, five hundred thirty-five million, two hundred fifty-three thousand, one hundred thirty-three".