1021354200052 has 6 divisors (see below), whose sum is σ = 1787369850098. Its totient is φ = 510677100024.

The previous prime is 1021354200011. The next prime is 1021354200079. The reversal of 1021354200052 is 2500024531201.

It can be written as a sum of positive squares in only one way, i.e., 934462488976 + 86891711076 = 966676^2 + 294774^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127669275003 + ... + 127669275010.

Almost surely, 2^{1021354200052} is an apocalyptic number.

It is an amenable number.

1021354200052 is a deficient number, since it is larger than the sum of its proper divisors (766015650046).

1021354200052 is a wasteful number, since it uses less digits than its factorization.

1021354200052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255338550017 (or 255338550015 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 1021354200052 its reverse (2500024531201), we get a palindrome (3521378731253).

The spelling of 1021354200052 in words is "one trillion, twenty-one billion, three hundred fifty-four million, two hundred thousand, fifty-two".