202220111202169 has 2 divisors, whose sum is σ = 202220111202170. Its totient is φ = 202220111202168.

The previous prime is 202220111202071. The next prime is 202220111202209. The reversal of 202220111202169 is 961202111022202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134831855570944 + 67388255631225 = 11611712^2 + 8209035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202220111202169 is a prime.

It is a super-2 number, since 2×202220111202169² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202220111202169.

It is not a weakly prime, because it can be changed into another prime (202220111208169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101110055601084 + 101110055601085.

It is an arithmetic number, because the mean of its divisors is an integer number (101110055601085).

Almost surely, 2^{202220111202169} is an apocalyptic number.

It is an amenable number.

202220111202169 is a deficient number, since it is larger than the sum of its proper divisors (1).

202220111202169 is an equidigital number, since it uses as much as digits as its factorization.

202220111202169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 202220111202169 in words is "two hundred two trillion, two hundred twenty billion, one hundred eleven million, two hundred two thousand, one hundred sixty-nine".