10220020122161 has 2 divisors, whose sum is σ = 10220020122162. Its totient is φ = 10220020122160.

The previous prime is 10220020122133. The next prime is 10220020122269. The reversal of 10220020122161 is 16122102002201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9524130482161 + 695889640000 = 3086119^2 + 834200^2 .

It is a cyclic number.

It is not a de Polignac number, because 10220020122161 - 2³⁴ = 10202840252977 is a prime.

It is a super-2 number, since 2×10220020122161² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10220020112161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110010061080 + 5110010061081.

It is an arithmetic number, because the mean of its divisors is an integer number (5110010061081).

Almost surely, 2^{10220020122161} is an apocalyptic number.

It is an amenable number.

10220020122161 is a deficient number, since it is larger than the sum of its proper divisors (1).

10220020122161 is an equidigital number, since it uses as much as digits as its factorization.

10220020122161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 10220020122161 its reverse (16122102002201), we get a palindrome (26342122124362).

The spelling of 10220020122161 in words is "ten trillion, two hundred twenty billion, twenty million, one hundred twenty-two thousand, one hundred sixty-one".