210112002161 has 2 divisors, whose sum is σ = 210112002162. Its totient is φ = 210112002160.

The previous prime is 210112002119. The next prime is 210112002173. The reversal of 210112002161 is 161200211012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188947571761 + 21164430400 = 434681^2 + 145480^2 .

It is a cyclic number.

It is not a de Polignac number, because 210112002161 - 2¹⁰ = 210112001137 is a prime.

It is not a weakly prime, because it can be changed into another prime (210112002101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105056001080 + 105056001081.

It is an arithmetic number, because the mean of its divisors is an integer number (105056001081).

Almost surely, 2^210112002161 is an apocalyptic number.

It is an amenable number.

210112002161 is a deficient number, since it is larger than the sum of its proper divisors (1).

210112002161 is an equidigital number, since it uses as much as digits as its factorization.

210112002161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 210112002161 its reverse (161200211012), we get a palindrome (371312213173).

The spelling of 210112002161 in words is "two hundred ten billion, one hundred twelve million, two thousand, one hundred sixty-one".