2112422101 has 2 divisors, whose sum is σ = 2112422102. Its totient is φ = 2112422100.

The previous prime is 2112422063. The next prime is 2112422111. The reversal of 2112422101 is 1012242112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1842641476 + 269780625 = 42926^2 + 16425^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112422101 - 2²¹ = 2110324949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112422111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056211050 + 1056211051.

It is an arithmetic number, because the mean of its divisors is an integer number (1056211051).

Almost surely, 2^2112422101 is an apocalyptic number.

It is an amenable number.

2112422101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112422101 is an equidigital number, since it uses as much as digits as its factorization.

2112422101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 2112422101 is about 45961.0933399109. The cubic root of 2112422101 is about 1283.0992000073.

Adding to 2112422101 its reverse (1012242112), we get a palindrome (3124664213).

The spelling of 2112422101 in words is "two billion, one hundred twelve million, four hundred twenty-two thousand, one hundred one".