10201110201221 has 16 divisors (see below), whose sum is σ = 10288372392000. Its totient is φ = 10114157104128.

The previous prime is 10201110201169. The next prime is 10201110201223. The reversal of 10201110201221 is 12210201110201.

It is a cyclic number.

It is not a de Polignac number, because 10201110201221 - 2³⁰ = 10200036459397 is a prime.

It is a super-2 number, since 2×10201110201221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10201110201196 and 10201110201205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201110201223) 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, 642500735 + ... + 642516611.

It is an arithmetic number, because the mean of its divisors is an integer number (643023274500).

Almost surely, 2^{10201110201221} is an apocalyptic number.

It is an amenable number.

10201110201221 is a deficient number, since it is larger than the sum of its proper divisors (87262190779).

10201110201221 is a wasteful number, since it uses less digits than its factorization.

10201110201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25268.

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

Adding to 10201110201221 its reverse (12210201110201), we get a palindrome (22411311311422).

The spelling of 10201110201221 in words is "ten trillion, two hundred one billion, one hundred ten million, two hundred one thousand, two hundred twenty-one".