102240444340121 has 16 divisors (see below), whose sum is σ = 109267754616576. Its totient is φ = 95325731847936.

The previous prime is 102240444340103. The next prime is 102240444340127. The reversal of 102240444340121 is 121043444042201.

It is a cyclic number.

It is not a de Polignac number, because 102240444340121 - 2⁴² = 97842397829017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102240444340127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155591360 + ... + 156247086.

It is an arithmetic number, because the mean of its divisors is an integer number (6829234663536).

Almost surely, 2^{102240444340121} is an apocalyptic number.

It is an amenable number.

102240444340121 is a deficient number, since it is larger than the sum of its proper divisors (7027310276455).

102240444340121 is a wasteful number, since it uses less digits than its factorization.

102240444340121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741568.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 102240444340121 its reverse (121043444042201), we get a palindrome (223283888382322).

The spelling of 102240444340121 in words is "one hundred two trillion, two hundred forty billion, four hundred forty-four million, three hundred forty thousand, one hundred twenty-one".