21202001100201 has 8 divisors (see below), whose sum is σ = 28340542194304. Its totient is φ = 14099063703120.

The previous prime is 21202001100197. The next prime is 21202001100211. The reversal of 21202001100201 is 10200110020212.

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

It is not a de Polignac number, because 21202001100201 - 2² = 21202001100197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21202001100211) 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, 8900922865 + ... + 8900925246.

It is an arithmetic number, because the mean of its divisors is an integer number (3542567774288).

Almost surely, 2^{21202001100201} is an apocalyptic number.

It is an amenable number.

21202001100201 is a deficient number, since it is larger than the sum of its proper divisors (7138541094103).

21202001100201 is a wasteful number, since it uses less digits than its factorization.

21202001100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17801848511.

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

Adding to 21202001100201 its reverse (10200110020212), we get a palindrome (31402111120413).

The spelling of 21202001100201 in words is "twenty-one trillion, two hundred two billion, one million, one hundred thousand, two hundred one".