41920002121 has 2 divisors, whose sum is σ = 41920002122. Its totient is φ = 41920002120.

The previous prime is 41920002107. The next prime is 41920002127. The reversal of 41920002121 is 12120002914.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41454996025 + 465006096 = 203605^2 + 21564^2 .

It is a cyclic number.

It is not a de Polignac number, because 41920002121 - 2⁹ = 41920001609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 41920002092 and 41920002101.

It is not a weakly prime, because it can be changed into another prime (41920002127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20960001060 + 20960001061.

It is an arithmetic number, because the mean of its divisors is an integer number (20960001061).

Almost surely, 2^41920002121 is an apocalyptic number.

It is an amenable number.

41920002121 is a deficient number, since it is larger than the sum of its proper divisors (1).

41920002121 is an equidigital number, since it uses as much as digits as its factorization.

41920002121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 41920002121 in words is "forty-one billion, nine hundred twenty million, two thousand, one hundred twenty-one".