102442103121 has 16 divisors (see below), whose sum is σ = 140065184448. Its totient is φ = 66560313600.

The previous prime is 102442103111. The next prime is 102442103129. The reversal of 102442103121 is 121301244201.

It is not a de Polignac number, because 102442103121 - 2⁷ = 102442102993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102442103129) 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, 309436 + ... + 548301.

It is an arithmetic number, because the mean of its divisors is an integer number (8754074028).

Almost surely, 2^102442103121 is an apocalyptic number.

It is an amenable number.

102442103121 is a deficient number, since it is larger than the sum of its proper divisors (37623081327).

102442103121 is an equidigital number, since it uses as much as digits as its factorization.

102442103121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858752.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 102442103121 its reverse (121301244201), we get a palindrome (223743347322).

The spelling of 102442103121 in words is "one hundred two billion, four hundred forty-two million, one hundred three thousand, one hundred twenty-one".