2120412101 has 2 divisors, whose sum is σ = 2120412102. Its totient is φ = 2120412100.

The previous prime is 2120412043. The next prime is 2120412127. The reversal of 2120412101 is 1012140212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1151584225 + 968827876 = 33935^2 + 31126^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120412101 is a prime.

It is a super-2 number, since 2×2120412101² = 8992294956134468402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120412131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060206050 + 1060206051.

It is an arithmetic number, because the mean of its divisors is an integer number (1060206051).

Almost surely, 2^2120412101 is an apocalyptic number.

It is an amenable number.

2120412101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120412101 is an equidigital number, since it uses as much as digits as its factorization.

2120412101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2120412101 is about 46047.9326463197. The cubic root of 2120412101 is about 1284.7148909973.

Adding to 2120412101 its reverse (1012140212), we get a palindrome (3132552313).

The spelling of 2120412101 in words is "two billion, one hundred twenty million, four hundred twelve thousand, one hundred one".