102132001121 has 4 divisors (see below), whose sum is σ = 102132778500. Its totient is φ = 102131223744.

The previous prime is 102132001079. The next prime is 102132001133. The reversal of 102132001121 is 121100231201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 10498051600 + 91633949521 = 102460^2 + 302711^2 .

It is a cyclic number.

It is not a de Polignac number, because 102132001121 - 2¹⁴ = 102131984737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102132001096 and 102132001105.

It is not an unprimeable number, because it can be changed into a prime (102132001171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137516 + ... + 472413.

It is an arithmetic number, because the mean of its divisors is an integer number (25533194625).

Almost surely, 2^102132001121 is an apocalyptic number.

It is an amenable number.

102132001121 is a deficient number, since it is larger than the sum of its proper divisors (777379).

102132001121 is an equidigital number, since it uses as much as digits as its factorization.

102132001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777378.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 102132001121 its reverse (121100231201), we get a palindrome (223232232322).

The spelling of 102132001121 in words is "one hundred two billion, one hundred thirty-two million, one thousand, one hundred twenty-one".