220340112101 has 2 divisors, whose sum is σ = 220340112102. Its totient is φ = 220340112100.

The previous prime is 220340112029. The next prime is 220340112103. The reversal of 220340112101 is 101211043022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219764064100 + 576048001 = 468790^2 + 24001^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220340112101 is a prime.

Together with 220340112103, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220340112101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220340112103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110170056050 + 110170056051.

It is an arithmetic number, because the mean of its divisors is an integer number (110170056051).

Almost surely, 2^220340112101 is an apocalyptic number.

It is an amenable number.

220340112101 is a deficient number, since it is larger than the sum of its proper divisors (1).

220340112101 is an equidigital number, since it uses as much as digits as its factorization.

220340112101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 220340112101 its reverse (101211043022), we get a palindrome (321551155123).

The spelling of 220340112101 in words is "two hundred twenty billion, three hundred forty million, one hundred twelve thousand, one hundred one".