21112300300402 has 8 divisors (see below), whose sum is σ = 31690275713712. Its totient is φ = 10548875062500.

The previous prime is 21112300300387. The next prime is 21112300300453. The reversal of 21112300300402 is 20400300321112.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 21112300300402.

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, 3637540224 + ... + 3637546027.

It is an arithmetic number, because the mean of its divisors is an integer number (3961284464214).

Almost surely, 2^{21112300300402} is an apocalyptic number.

21112300300402 is a deficient number, since it is larger than the sum of its proper divisors (10577975413310).

21112300300402 is a wasteful number, since it uses less digits than its factorization.

21112300300402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7275087704.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21112300300402 its reverse (20400300321112), we get a palindrome (41512600621514).

The spelling of 21112300300402 in words is "twenty-one trillion, one hundred twelve billion, three hundred million, three hundred thousand, four hundred two".