21150012302102 has 8 divisors (see below), whose sum is σ = 32818984606800. Its totient is φ = 10210350766504.

The previous prime is 21150012302077. The next prime is 21150012302113. The reversal of 21150012302102 is 20120321005112.

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, 182327692202 + ... + 182327692317.

It is an arithmetic number, because the mean of its divisors is an integer number (4102373075850).

Almost surely, 2^{21150012302102} is an apocalyptic number.

21150012302102 is a deficient number, since it is larger than the sum of its proper divisors (11668972304698).

21150012302102 is a wasteful number, since it uses less digits than its factorization.

21150012302102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364655384550.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 21150012302102 its reverse (20120321005112), we get a palindrome (41270333307214).

The spelling of 21150012302102 in words is "twenty-one trillion, one hundred fifty billion, twelve million, three hundred two thousand, one hundred two".