2001502021353 has 4 divisors (see below), whose sum is σ = 2668669361808. Its totient is φ = 1334334680900.

The previous prime is 2001502021339. The next prime is 2001502021517. The reversal of 2001502021353 is 3531202051002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2001502021353 - 2²¹ = 2001499924201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2001502021303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333583670223 + ... + 333583670228.

It is an arithmetic number, because the mean of its divisors is an integer number (667167340452).

Almost surely, 2^{2001502021353} is an apocalyptic number.

It is an amenable number.

2001502021353 is a deficient number, since it is larger than the sum of its proper divisors (667167340455).

2001502021353 is an equidigital number, since it uses as much as digits as its factorization.

2001502021353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667167340454.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 2001502021353 its reverse (3531202051002), we get a palindrome (5532704072355).

The spelling of 2001502021353 in words is "two trillion, one billion, five hundred two million, twenty-one thousand, three hundred fifty-three".