20102220112101 has 32 divisors (see below), whose sum is σ = 27839607667200. Its totient is φ = 12891404275200.

The previous prime is 20102220112081. The next prime is 20102220112127. The reversal of 20102220112101 is 10121102220102.

It is not a de Polignac number, because 20102220112101 - 2⁷ = 20102220111973 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102220112301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97709220 + ... + 97914738.

It is an arithmetic number, because the mean of its divisors is an integer number (869987739600).

Almost surely, 2^{20102220112101} is an apocalyptic number.

It is an amenable number.

20102220112101 is a deficient number, since it is larger than the sum of its proper divisors (7737387555099).

20102220112101 is a wasteful number, since it uses less digits than its factorization.

20102220112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215549.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20102220112101 its reverse (10121102220102), we get a palindrome (30223322332203).

The spelling of 20102220112101 in words is "twenty trillion, one hundred two billion, two hundred twenty million, one hundred twelve thousand, one hundred one".