21301401201 has 8 divisors (see below), whose sum is σ = 29896703520. Its totient is φ = 13453516512.

The previous prime is 21301401193. The next prime is 21301401221. The reversal of 21301401201 is 10210410312.

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

It is not a de Polignac number, because 21301401201 - 2³ = 21301401193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21301401221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186854340 + ... + 186854453.

It is an arithmetic number, because the mean of its divisors is an integer number (3737087940).

Almost surely, 2^21301401201 is an apocalyptic number.

It is an amenable number.

21301401201 is a deficient number, since it is larger than the sum of its proper divisors (8595302319).

21301401201 is a wasteful number, since it uses less digits than its factorization.

21301401201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373708815.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 21301401201 its reverse (10210410312), we get a palindrome (31511811513).

The spelling of 21301401201 in words is "twenty-one billion, three hundred one million, four hundred one thousand, two hundred one".