21301220113322 has 8 divisors (see below), whose sum is σ = 31952129281956. Its totient is φ = 10650510352672.

The previous prime is 21301220113309. The next prime is 21301220113357. The reversal of 21301220113322 is 22331102210312.

It can be written as a sum of positive squares in 2 ways, for example, as 21288543830401 + 12676282921 = 4613951^2 + 112589^2 .

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, 49584653 + ... + 50012400.

Almost surely, 2^{21301220113322} is an apocalyptic number.

21301220113322 is a deficient number, since it is larger than the sum of its proper divisors (10650909168634).

21301220113322 is a wasteful number, since it uses less digits than its factorization.

21301220113322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99703992.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21301220113322 its reverse (22331102210312), we get a palindrome (43632322323634).

The spelling of 21301220113322 in words is "twenty-one trillion, three hundred one billion, two hundred twenty million, one hundred thirteen thousand, three hundred twenty-two".