2101533535252 has 12 divisors (see below), whose sum is σ = 3677861044116. Its totient is φ = 1050716094080.

The previous prime is 2101533535229. The next prime is 2101533535271. The reversal of 2101533535252 is 2525353351012.

It can be written as a sum of positive squares in 2 ways, for example, as 994316099716 + 1107217435536 = 997154^2 + 1052244^2 .

It is a congruent number.

It is an unprimeable number.

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, 12574999 + ... + 12741022.

It is an arithmetic number, because the mean of its divisors is an integer number (306488420343).

Almost surely, 2^{2101533535252} is an apocalyptic number.

It is an amenable number.

2101533535252 is a deficient number, since it is larger than the sum of its proper divisors (1576327508864).

2101533535252 is a wasteful number, since it uses less digits than its factorization.

2101533535252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25336778 (or 25336776 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 37.

Adding to 2101533535252 its reverse (2525353351012), we get a palindrome (4626886886264).

The spelling of 2101533535252 in words is "two trillion, one hundred one billion, five hundred thirty-three million, five hundred thirty-five thousand, two hundred fifty-two".