20111010221201 has 8 divisors (see below), whose sum is σ = 20127055564800. Its totient is φ = 20094965382240.

The previous prime is 20111010221149. The next prime is 20111010221213. The reversal of 20111010221201 is 10212201011102.

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

It is a cyclic number.

It is not a de Polignac number, because 20111010221201 - 2³⁴ = 20093830352017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20111010221221) 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, 153323636 + ... + 153454746.

It is an arithmetic number, because the mean of its divisors is an integer number (2515881945600).

Almost surely, 2^{20111010221201} is an apocalyptic number.

It is an amenable number.

20111010221201 is a deficient number, since it is larger than the sum of its proper divisors (16045343599).

20111010221201 is a wasteful number, since it uses less digits than its factorization.

20111010221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252319.

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

Adding to 20111010221201 its reverse (10212201011102), we get a palindrome (30323211232303).

The spelling of 20111010221201 in words is "twenty trillion, one hundred eleven billion, ten million, two hundred twenty-one thousand, two hundred one".