21110201112201 has 8 divisors (see below), whose sum is σ = 28147187355840. Its totient is φ = 14073341138352.

The previous prime is 21110201112167. The next prime is 21110201112277. The reversal of 21110201112201 is 10221110201112.

It is a happy number.

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

It is not a de Polignac number, because 21110201112201 - 2⁶ = 21110201112137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21110201116201) 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, 31176661 + ... + 31846578.

It is an arithmetic number, because the mean of its divisors is an integer number (3518398419480).

Almost surely, 2^{21110201112201} is an apocalyptic number.

It is an amenable number.

21110201112201 is a deficient number, since it is larger than the sum of its proper divisors (7036986243639).

21110201112201 is a wasteful number, since it uses less digits than its factorization.

21110201112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63134895.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 21110201112201 its reverse (10221110201112), we get a palindrome (31331311313313).

The spelling of 21110201112201 in words is "twenty-one trillion, one hundred ten billion, two hundred one million, one hundred twelve thousand, two hundred one".