201221341102101 has 8 divisors (see below), whose sum is σ = 268295393287360. Its totient is φ = 134147424825792.

The previous prime is 201221341102079. The next prime is 201221341102121. The reversal of 201221341102101 is 101201143122102.

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

It is not a de Polignac number, because 201221341102101 - 2⁹ = 201221341101589 is a prime.

It is a super-2 number, since 2×201221341102101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201221341102121) 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, 30470905 + ... + 36481758.

It is an arithmetic number, because the mean of its divisors is an integer number (33536924160920).

Almost surely, 2^{201221341102101} is an apocalyptic number.

It is an amenable number.

201221341102101 is a deficient number, since it is larger than the sum of its proper divisors (67074052185259).

201221341102101 is a wasteful number, since it uses less digits than its factorization.

201221341102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67954475.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 201221341102101 its reverse (101201143122102), we get a palindrome (302422484224203).

The spelling of 201221341102101 in words is "two hundred one trillion, two hundred twenty-one billion, three hundred forty-one million, one hundred two thousand, one hundred one".