102242252141 has 4 divisors (see below), whose sum is σ = 104171351292. Its totient is φ = 100313152992.

The previous prime is 102242252131. The next prime is 102242252143. The reversal of 102242252141 is 141252242201.

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 76758918916 + 25483333225 = 277054^2 + 159635^2 .

It is a cyclic number.

It is not a de Polignac number, because 102242252141 - 2¹⁰ = 102242251117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102242252141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102242252143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 964549496 + ... + 964549601.

It is an arithmetic number, because the mean of its divisors is an integer number (26042837823).

Almost surely, 2^102242252141 is an apocalyptic number.

It is an amenable number.

102242252141 is a deficient number, since it is larger than the sum of its proper divisors (1929099151).

102242252141 is an equidigital number, since it uses as much as digits as its factorization.

102242252141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929099150.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 102242252141 its reverse (141252242201), we get a palindrome (243494494342).

The spelling of 102242252141 in words is "one hundred two billion, two hundred forty-two million, two hundred fifty-two thousand, one hundred forty-one".