21000010323002 has 8 divisors (see below), whose sum is σ = 31500037850196. Its totient is φ = 10499997706272.

The previous prime is 21000010322989. The next prime is 21000010323049. The reversal of 21000010323002 is 20032301000012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19821007422241 + 1179002900761 = 4452079^2 + 1085819^2 .

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, 984968 + ... + 6555164.

Almost surely, 2^{21000010323002} is an apocalyptic number.

21000010323002 is a deficient number, since it is larger than the sum of its proper divisors (10500027527194).

21000010323002 is a wasteful number, since it uses less digits than its factorization.

21000010323002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7455232.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 21000010323002 its reverse (20032301000012), we get a palindrome (41032311323014).

The spelling of 21000010323002 in words is "twenty-one trillion, ten million, three hundred twenty-three thousand, two".