2021216533352 has 8 divisors (see below), whose sum is σ = 3789781000050. Its totient is φ = 1010608266672.

The previous prime is 2021216533351. The next prime is 2021216533439. The reversal of 2021216533352 is 2533356121202.

It can be written as a sum of positive squares in only one way, i.e., 1091970660676 + 929245872676 = 1044974^2 + 963974^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2021216533351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126326033327 + ... + 126326033342.

Almost surely, 2^{2021216533352} is an apocalyptic number.

It is an amenable number.

2021216533352 is a deficient number, since it is larger than the sum of its proper divisors (1768564466698).

2021216533352 is a wasteful number, since it uses less digits than its factorization.

2021216533352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252652066675 (or 252652066671 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 2021216533352 in words is "two trillion, twenty-one billion, two hundred sixteen million, five hundred thirty-three thousand, three hundred fifty-two".