102030020330122 has 4 divisors (see below), whose sum is σ = 153045030495186. Its totient is φ = 51015010165060.

The previous prime is 102030020330099. The next prime is 102030020330129. The reversal of 102030020330122 is 221033020030201.

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

It can be written as a sum of positive squares in only one way, i.e., 93829076544681 + 8200943785441 = 9686541^2 + 2863729^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102030020330122.

It is not an unprimeable number, because it can be changed into a prime (102030020330129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25507505082529 + ... + 25507505082532.

Almost surely, 2^{102030020330122} is an apocalyptic number.

102030020330122 is a deficient number, since it is larger than the sum of its proper divisors (51015010165064).

102030020330122 is an equidigital number, since it uses as much as digits as its factorization.

102030020330122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51015010165063.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 102030020330122 its reverse (221033020030201), we get a palindrome (323063040360323).

The spelling of 102030020330122 in words is "one hundred two trillion, thirty billion, twenty million, three hundred thirty thousand, one hundred twenty-two".