242100131201 has 2 divisors, whose sum is σ = 242100131202. Its totient is φ = 242100131200.

The previous prime is 242100131197. The next prime is 242100131219. The reversal of 242100131201 is 102131001242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145295142976 + 96804988225 = 381176^2 + 311135^2 .

It is a cyclic number.

It is not a de Polignac number, because 242100131201 - 2² = 242100131197 is a prime.

It is a super-2 number, since 2×242100131201² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242100131201.

It is not a weakly prime, because it can be changed into another prime (242100131261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121050065600 + 121050065601.

It is an arithmetic number, because the mean of its divisors is an integer number (121050065601).

Almost surely, 2^242100131201 is an apocalyptic number.

It is an amenable number.

242100131201 is a deficient number, since it is larger than the sum of its proper divisors (1).

242100131201 is an equidigital number, since it uses as much as digits as its factorization.

242100131201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 242100131201 its reverse (102131001242), we get a palindrome (344231132443).

The spelling of 242100131201 in words is "two hundred forty-two billion, one hundred million, one hundred thirty-one thousand, two hundred one".