210112021211161 has 2 divisors, whose sum is σ = 210112021211162. Its totient is φ = 210112021211160.

The previous prime is 210112021211107. The next prime is 210112021211167. The reversal of 210112021211161 is 161112120211012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209479886496400 + 632134714761 = 14473420^2 + 795069^2 .

It is a cyclic number.

It is not a de Polignac number, because 210112021211161 - 2¹⁹ = 210112020686873 is a prime.

It is a super-2 number, since 2×210112021211161² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (210112021211167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105056010605580 + 105056010605581.

It is an arithmetic number, because the mean of its divisors is an integer number (105056010605581).

Almost surely, 2^{210112021211161} is an apocalyptic number.

It is an amenable number.

210112021211161 is a deficient number, since it is larger than the sum of its proper divisors (1).

210112021211161 is an equidigital number, since it uses as much as digits as its factorization.

210112021211161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 22.

Adding to 210112021211161 its reverse (161112120211012), we get a palindrome (371224141422173).

The spelling of 210112021211161 in words is "two hundred ten trillion, one hundred twelve billion, twenty-one million, two hundred eleven thousand, one hundred sixty-one".