21000231323102 has 8 divisors (see below), whose sum is σ = 31501450525896. Its totient is φ = 10499747814472.

The previous prime is 21000231323081. The next prime is 21000231323117. The reversal of 21000231323102 is 20132313200012.

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

It is a congruent number.

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, 183852173 + ... + 183966360.

It is an arithmetic number, because the mean of its divisors is an integer number (3937681315737).

Almost surely, 2^{21000231323102} is an apocalyptic number.

21000231323102 is a deficient number, since it is larger than the sum of its proper divisors (10501219202794).

21000231323102 is a wasteful number, since it uses less digits than its factorization.

21000231323102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367847082.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21000231323102 its reverse (20132313200012), we get a palindrome (41132544523114).

The spelling of 21000231323102 in words is "twenty-one trillion, two hundred thirty-one million, three hundred twenty-three thousand, one hundred two".