21000130022201 has 8 divisors (see below), whose sum is σ = 22924515780000. Its totient is φ = 19078291435840.

The previous prime is 21000130022147. The next prime is 21000130022233. The reversal of 21000130022201 is 10222003100012.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21000130022201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21000130022801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636775616 + ... + 636808593.

It is an arithmetic number, because the mean of its divisors is an integer number (2865564472500).

Almost surely, 2^{21000130022201} is an apocalyptic number.

It is an amenable number.

21000130022201 is a deficient number, since it is larger than the sum of its proper divisors (1924385757799).

21000130022201 is a wasteful number, since it uses less digits than its factorization.

21000130022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273585719.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 21000130022201 its reverse (10222003100012), we get a palindrome (31222133122213).

The spelling of 21000130022201 in words is "twenty-one trillion, one hundred thirty million, twenty-two thousand, two hundred one".