21000201102201 has 8 divisors (see below), whose sum is σ = 28002266926560. Its totient is φ = 13999134672992.

The previous prime is 21000201102149. The next prime is 21000201102211. The reversal of 21000201102201 is 10220110200012.

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

It is a cyclic number.

It is not a de Polignac number, because 21000201102201 - 2⁶ = 21000201102137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21000201102211) 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, 249799755 + ... + 249883808.

It is an arithmetic number, because the mean of its divisors is an integer number (3500283365820).

Almost surely, 2^{21000201102201} is an apocalyptic number.

It is an amenable number.

21000201102201 is a deficient number, since it is larger than the sum of its proper divisors (7002065824359).

21000201102201 is a wasteful number, since it uses less digits than its factorization.

21000201102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499697575.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 21000201102201 its reverse (10220110200012), we get a palindrome (31220311302213).

The spelling of 21000201102201 in words is "twenty-one trillion, two hundred one million, one hundred two thousand, two hundred one".