10220110221121 has 2 divisors, whose sum is σ = 10220110221122. Its totient is φ = 10220110221120.

The previous prime is 10220110221109. The next prime is 10220110221131. The reversal of 10220110221121 is 12112201102201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10156586563600 + 63523657521 = 3186940^2 + 252039^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10220110221121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10220110221095 and 10220110221104.

It is not a weakly prime, because it can be changed into another prime (10220110221131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110055110560 + 5110055110561.

It is an arithmetic number, because the mean of its divisors is an integer number (5110055110561).

Almost surely, 2^{10220110221121} is an apocalyptic number.

It is an amenable number.

10220110221121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10220110221121 is an equidigital number, since it uses as much as digits as its factorization.

10220110221121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10220110221121 its reverse (12112201102201), we get a palindrome (22332311323322).

The spelling of 10220110221121 in words is "ten trillion, two hundred twenty billion, one hundred ten million, two hundred twenty-one thousand, one hundred twenty-one".