141521145121 has 2 divisors, whose sum is σ = 141521145122. Its totient is φ = 141521145120.

The previous prime is 141521145113. The next prime is 141521145149. The reversal of 141521145121 is 121541125141.

It is an a-pointer prime, because the next prime (141521145149) can be obtained adding 141521145121 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107050024225 + 34471120896 = 327185^2 + 185664^2 .

It is a cyclic number.

It is not a de Polignac number, because 141521145121 - 2³ = 141521145113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 141521145121.

It is not a weakly prime, because it can be changed into another prime (141521145151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70760572560 + 70760572561.

It is an arithmetic number, because the mean of its divisors is an integer number (70760572561).

Almost surely, 2^141521145121 is an apocalyptic number.

It is an amenable number.

141521145121 is a deficient number, since it is larger than the sum of its proper divisors (1).

141521145121 is an equidigital number, since it uses as much as digits as its factorization.

141521145121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1600, while the sum is 28.

The spelling of 141521145121 in words is "one hundred forty-one billion, five hundred twenty-one million, one hundred forty-five thousand, one hundred twenty-one".