10220210211121 has 2 divisors, whose sum is σ = 10220210211122. Its totient is φ = 10220210211120.

The previous prime is 10220210211091. The next prime is 10220210211161. The reversal of 10220210211121 is 12111201202201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5341479034896 + 4878731176225 = 2311164^2 + 2208785^2 .

It is a cyclic number.

It is not a de Polignac number, because 10220210211121 - 2²⁹ = 10219673340209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10220210211095 and 10220210211104.

It is not a weakly prime, because it can be changed into another prime (10220210211161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110105105560 + 5110105105561.

It is an arithmetic number, because the mean of its divisors is an integer number (5110105105561).

Almost surely, 2^{10220210211121} is an apocalyptic number.

It is an amenable number.

10220210211121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10220210211121 is an equidigital number, since it uses as much as digits as its factorization.

10220210211121 is an odious number, because the sum of its binary digits is odd.

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

Adding to 10220210211121 its reverse (12111201202201), we get a palindrome (22331411413322).

The spelling of 10220210211121 in words is "ten trillion, two hundred twenty billion, two hundred ten million, two hundred eleven thousand, one hundred twenty-one".