201101022100121 has 16 divisors (see below), whose sum is σ = 248693203631040. Its totient is φ = 159874202329920.

The previous prime is 201101022100117. The next prime is 201101022100163. The reversal of 201101022100121 is 121001220101102.

It is not a de Polignac number, because 201101022100121 - 2² = 201101022100117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201101022100096 and 201101022100105.

It is not an unprimeable number, because it can be changed into a prime (201101022100421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37007914490 + ... + 37007919923.

It is an arithmetic number, because the mean of its divisors is an integer number (15543325226940).

Almost surely, 2^{201101022100121} is an apocalyptic number.

It is an amenable number.

201101022100121 is a deficient number, since it is larger than the sum of its proper divisors (47592181530919).

201101022100121 is a wasteful number, since it uses less digits than its factorization.

201101022100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74015834456.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201101022100121 its reverse (121001220101102), we get a palindrome (322102242201223).

The spelling of 201101022100121 in words is "two hundred one trillion, one hundred one billion, twenty-two million, one hundred thousand, one hundred twenty-one".