21400204300322 has 16 divisors (see below), whose sum is σ = 32166336928320. Its totient is φ = 10678094918832.

The previous prime is 21400204300303. The next prime is 21400204300381. The reversal of 21400204300322 is 22300340200412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14046704 + ... + 15495492.

It is an arithmetic number, because the mean of its divisors is an integer number (2010396058020).

Almost surely, 2^{21400204300322} is an apocalyptic number.

21400204300322 is a deficient number, since it is larger than the sum of its proper divisors (10766132627998).

21400204300322 is a wasteful number, since it uses less digits than its factorization.

21400204300322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463977.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 21400204300322 its reverse (22300340200412), we get a palindrome (43700544500734).

The spelling of 21400204300322 in words is "twenty-one trillion, four hundred billion, two hundred four million, three hundred thousand, three hundred twenty-two".