201323102102 has 4 divisors (see below), whose sum is σ = 301984653156. Its totient is φ = 100661551050.

The previous prime is 201323102059. The next prime is 201323102131. The reversal of 201323102102 is 201201323102.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50330775524 + ... + 50330775527.

It is an arithmetic number, because the mean of its divisors is an integer number (75496163289).

Almost surely, 2^201323102102 is an apocalyptic number.

201323102102 is a deficient number, since it is larger than the sum of its proper divisors (100661551054).

201323102102 is a wasteful number, since it uses less digits than its factorization.

201323102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100661551053.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 201323102102 its reverse (201201323102), we get a palindrome (402524425204).

The spelling of 201323102102 in words is "two hundred one billion, three hundred twenty-three million, one hundred two thousand, one hundred two".