220010110121 has 2 divisors, whose sum is σ = 220010110122. Its totient is φ = 220010110120.

The previous prime is 220010110091. The next prime is 220010110153. The reversal of 220010110121 is 121011010022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134275342096 + 85734768025 = 366436^2 + 292805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220010110121 is a prime.

It is not a weakly prime, because it can be changed into another prime (220010110171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110005055060 + 110005055061.

It is an arithmetic number, because the mean of its divisors is an integer number (110005055061).

Almost surely, 2^220010110121 is an apocalyptic number.

It is an amenable number.

220010110121 is a deficient number, since it is larger than the sum of its proper divisors (1).

220010110121 is an equidigital number, since it uses as much as digits as its factorization.

220010110121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 220010110121 its reverse (121011010022), we get a palindrome (341021120143).

The spelling of 220010110121 in words is "two hundred twenty billion, ten million, one hundred ten thousand, one hundred twenty-one".