21301875738202 has 8 divisors (see below), whose sum is σ = 32156334713556. Its totient is φ = 10583097500352.

The previous prime is 21301875738113. The next prime is 21301875738259. The reversal of 21301875738202 is 20283757810312.

It can be written as a sum of positive squares in 2 ways, for example, as 21157985247961 + 143890490241 = 4599781^2 + 379329^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33920183983 + ... + 33920184610.

Almost surely, 2^{21301875738202} is an apocalyptic number.

21301875738202 is a deficient number, since it is larger than the sum of its proper divisors (10854458975354).

21301875738202 is a wasteful number, since it uses less digits than its factorization.

21301875738202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67840368752.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 21301875738202 in words is "twenty-one trillion, three hundred one billion, eight hundred seventy-five million, seven hundred thirty-eight thousand, two hundred two".