102132203211989 has 4 divisors (see below), whose sum is σ = 104059225914156. Its totient is φ = 100205180509824.

The previous prime is 102132203211977. The next prime is 102132203212001. The reversal of 102132203211989 is 989112302231201.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (102132203211977) and next prime (102132203212001).

It can be written as a sum of positive squares in 2 ways, for example, as 90700061700964 + 11432141511025 = 9523658^2 + 3381145^2 .

It is a cyclic number.

It is not a de Polignac number, because 102132203211989 - 2³⁶ = 102063483735253 is a prime.

It is a super-2 number, since 2×102132203211989² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102132203211919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963511351004 + ... + 963511351109.

It is an arithmetic number, because the mean of its divisors is an integer number (26014806478539).

Almost surely, 2^{102132203211989} is an apocalyptic number.

It is an amenable number.

102132203211989 is a deficient number, since it is larger than the sum of its proper divisors (1927022702167).

102132203211989 is an equidigital number, since it uses as much as digits as its factorization.

102132203211989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927022702166.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 102132203211989 in words is "one hundred two trillion, one hundred thirty-two billion, two hundred three million, two hundred eleven thousand, nine hundred eighty-nine".