4115012546221 has 2 divisors, whose sum is σ = 4115012546222. Its totient is φ = 4115012546220.

The previous prime is 4115012546207. The next prime is 4115012546291. The reversal of 4115012546221 is 1226452105114.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3927511422025 + 187501124196 = 1981795^2 + 433014^2 .

It is a cyclic number.

It is not a de Polignac number, because 4115012546221 - 2⁷ = 4115012546093 is a prime.

It is a super-2 number, since 2×4115012546221² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4115012546291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2057506273110 + 2057506273111.

It is an arithmetic number, because the mean of its divisors is an integer number (2057506273111).

Almost surely, 2^{4115012546221} is an apocalyptic number.

It is an amenable number.

4115012546221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4115012546221 is an equidigital number, since it uses as much as digits as its factorization.

4115012546221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 34.

The spelling of 4115012546221 in words is "four trillion, one hundred fifteen billion, twelve million, five hundred forty-six thousand, two hundred twenty-one".