102242142120413 has 4 divisors (see below), whose sum is σ = 103180143424380. Its totient is φ = 101304140816448.

The previous prime is 102242142120301. The next prime is 102242142120539. The reversal of 102242142120413 is 314021241242201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 87045578551684 + 15196563568729 = 9329822^2 + 3898277^2 .

It is a cyclic number.

It is not a de Polignac number, because 102242142120413 - 2³⁸ = 101967264213469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102242142120913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469000651820 + ... + 469000652037.

It is an arithmetic number, because the mean of its divisors is an integer number (25795035856095).

Almost surely, 2^{102242142120413} is an apocalyptic number.

It is an amenable number.

102242142120413 is a deficient number, since it is larger than the sum of its proper divisors (938001303967).

102242142120413 is an equidigital number, since it uses as much as digits as its factorization.

102242142120413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938001303966.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 102242142120413 its reverse (314021241242201), we get a palindrome (416263383362614).

The spelling of 102242142120413 in words is "one hundred two trillion, two hundred forty-two billion, one hundred forty-two million, one hundred twenty thousand, four hundred thirteen".