220112210110101 has 4 divisors (see below), whose sum is σ = 293482946813472. Its totient is φ = 146741473406732.

The previous prime is 220112210110069. The next prime is 220112210110127. The reversal of 220112210110101 is 101011012211022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220112210110101 - 2⁵ = 220112210110069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220112210110171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36685368351681 + ... + 36685368351686.

It is an arithmetic number, because the mean of its divisors is an integer number (73370736703368).

Almost surely, 2^{220112210110101} is an apocalyptic number.

It is an amenable number.

220112210110101 is a deficient number, since it is larger than the sum of its proper divisors (73370736703371).

220112210110101 is an equidigital number, since it uses as much as digits as its factorization.

220112210110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73370736703370.

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

Adding to 220112210110101 its reverse (101011012211022), we get a palindrome (321123222321123).

The spelling of 220112210110101 in words is "two hundred twenty trillion, one hundred twelve billion, two hundred ten million, one hundred ten thousand, one hundred one".