102122242144 has 48 divisors (see below), whose sum is σ = 217815460128. Its totient is φ = 46851075072.

The previous prime is 102122242141. The next prime is 102122242151. The reversal of 102122242144 is 441242221201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122242141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665517 + ... + 804460.

It is an arithmetic number, because the mean of its divisors is an integer number (4537822086).

Almost surely, 2^102122242144 is an apocalyptic number.

It is an amenable number.

102122242144 is an abundant number, since it is smaller than the sum of its proper divisors (115693217984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102122242144 is a wasteful number, since it uses less digits than its factorization.

102122242144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470167 (or 1470159 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 102122242144 its reverse (441242221201), we get a palindrome (543364463345).

The spelling of 102122242144 in words is "one hundred two billion, one hundred twenty-two million, two hundred forty-two thousand, one hundred forty-four".