102122404242 has 16 divisors (see below), whose sum is σ = 204306164832. Its totient is φ = 34030575360.

The previous prime is 102122404183. The next prime is 102122404261. The reversal of 102122404242 is 242404221201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2534863 + ... + 2574834.

It is an arithmetic number, because the mean of its divisors is an integer number (12769135302).

Almost surely, 2^102122404242 is an apocalyptic number.

102122404242 is an abundant number, since it is smaller than the sum of its proper divisors (102183760590).

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

102122404242 is a wasteful number, since it uses less digits than its factorization.

102122404242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5113033.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 102122404242 its reverse (242404221201), we get a palindrome (344526625443).

The spelling of 102122404242 in words is "one hundred two billion, one hundred twenty-two million, four hundred four thousand, two hundred forty-two".