20110221112101 has 8 divisors (see below), whose sum is σ = 26858845062720. Its totient is φ = 13384205618112.

The previous prime is 20110221112081. The next prime is 20110221112117. The reversal of 20110221112101 is 10121112201102.

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 20110221112101 - 2¹⁰ = 20110221111077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110221912101) 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, 5652112081 + ... + 5652115638.

It is an arithmetic number, because the mean of its divisors is an integer number (3357355632840).

Almost surely, 2^{20110221112101} is an apocalyptic number.

It is an amenable number.

20110221112101 is a deficient number, since it is larger than the sum of its proper divisors (6748623950619).

20110221112101 is a wasteful number, since it uses less digits than its factorization.

20110221112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11304228315.

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

Adding to 20110221112101 its reverse (10121112201102), we get a palindrome (30231333313203).

The spelling of 20110221112101 in words is "twenty trillion, one hundred ten billion, two hundred twenty-one million, one hundred twelve thousand, one hundred one".