102514451121 has 16 divisors (see below), whose sum is σ = 151878357120.
Its totient is φ = 68340674160.
The previous prime is 102514451033. The next prime is 102514451177. The reversal of 102514451121 is 121154415201.
Adding to 102514451121 its reverse (121154415201), we get a palindrome (223668866322).
102514451121 is a `hidden beast` number, since 1 + 0 + 2 + 5 + 144 + 511 + 2 + 1 = 666.
It is not a de Polignac number, because 102514451121 - 27 = 102514450993 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (102514441121) 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, 1243731 + ... + 1323591.
It is an arithmetic number, because the mean of its divisors is an integer number (9492397320).
Almost surely, 2102514451121 is an apocalyptic number.
It is an amenable number.
102514451121 is a deficient number, since it is larger than the sum of its proper divisors (49363905999).
102514451121 is an equidigital number, since it uses as much as digits as its factorization.
102514451121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 127413 (or 127407 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 27.
The spelling of 102514451121 in words is "one hundred two billion, five hundred fourteen million, four hundred fifty-one thousand, one hundred twenty-one".