3222100121 has 2 divisors, whose sum is σ = 3222100122. Its totient is φ = 3222100120.

The previous prime is 3222100111. The next prime is 3222100127. The reversal of 3222100121 is 1210012223.

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., 2556718096 + 665382025 = 50564^2 + 25795^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3222100121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3222100096 and 3222100105.

It is not a weakly prime, because it can be changed into another prime (3222100127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611050060 + 1611050061.

It is an arithmetic number, because the mean of its divisors is an integer number (1611050061).

Almost surely, 2^3222100121 is an apocalyptic number.

It is an amenable number.

3222100121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3222100121 is an equidigital number, since it uses as much as digits as its factorization.

3222100121 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 14.

The square root of 3222100121 is about 56763.5457049681. The cubic root of 3222100121 is about 1476.9972172370.

Adding to 3222100121 its reverse (1210012223), we get a palindrome (4432112344).

The spelling of 3222100121 in words is "three billion, two hundred twenty-two million, one hundred thousand, one hundred twenty-one".