210201101221101 has 8 divisors (see below), whose sum is σ = 280268928338784. Its totient is φ = 140133670792080.

The previous prime is 210201101221087. The next prime is 210201101221127. The reversal of 210201101221101 is 101122101102012.

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 210201101221101 - 2¹⁵ = 210201101188333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210201101221151) 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, 97933546 + ... + 100056891.

It is an arithmetic number, because the mean of its divisors is an integer number (35033616042348).

Almost surely, 2^{210201101221101} is an apocalyptic number.

It is an amenable number.

210201101221101 is a deficient number, since it is larger than the sum of its proper divisors (70067827117683).

210201101221101 is a wasteful number, since it uses less digits than its factorization.

210201101221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198344331.

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

Adding to 210201101221101 its reverse (101122101102012), we get a palindrome (311323202323113).

The spelling of 210201101221101 in words is "two hundred ten trillion, two hundred one billion, one hundred one million, two hundred twenty-one thousand, one hundred one".