102421121041 has 2 divisors, whose sum is σ = 102421121042. Its totient is φ = 102421121040.

The previous prime is 102421121027. The next prime is 102421121063. The reversal of 102421121041 is 140121124201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100527043600 + 1894077441 = 317060^2 + 43521^2 .

It is an emirp because it is prime and its reverse (140121124201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102421121041 - 2¹⁷ = 102420989969 is a prime.

It is not a weakly prime, because it can be changed into another prime (102421121081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51210560520 + 51210560521.

It is an arithmetic number, because the mean of its divisors is an integer number (51210560521).

Almost surely, 2^102421121041 is an apocalyptic number.

It is an amenable number.

102421121041 is a deficient number, since it is larger than the sum of its proper divisors (1).

102421121041 is an equidigital number, since it uses as much as digits as its factorization.

102421121041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102421121041 its reverse (140121124201), we get a palindrome (242542245242).

The spelling of 102421121041 in words is "one hundred two billion, four hundred twenty-one million, one hundred twenty-one thousand, forty-one".