2020022211161 has 2 divisors, whose sum is σ = 2020022211162. Its totient is φ = 2020022211160.

The previous prime is 2020022211113. The next prime is 2020022211169. The reversal of 2020022211161 is 1611122200202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1043552143936 + 976470067225 = 1021544^2 + 988165^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020022211161 - 2²² = 2020018016857 is a prime.

It is not a weakly prime, because it can be changed into another prime (2020022211169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010011105580 + 1010011105581.

It is an arithmetic number, because the mean of its divisors is an integer number (1010011105581).

Almost surely, 2^{2020022211161} is an apocalyptic number.

It is an amenable number.

2020022211161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020022211161 is an equidigital number, since it uses as much as digits as its factorization.

2020022211161 is an odious number, because the sum of its binary digits is odd.

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

Adding to 2020022211161 its reverse (1611122200202), we get a palindrome (3631144411363).

The spelling of 2020022211161 in words is "two trillion, twenty billion, twenty-two million, two hundred eleven thousand, one hundred sixty-one".