201320111002 has 4 divisors (see below), whose sum is σ = 301980166506. Its totient is φ = 100660055500.

The previous prime is 201320110987. The next prime is 201320111077. The reversal of 201320111002 is 200111023102.

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., 200989925761 + 330185241 = 448319^2 + 18171^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50330027749 + ... + 50330027752.

Almost surely, 2^201320111002 is an apocalyptic number.

201320111002 is a deficient number, since it is larger than the sum of its proper divisors (100660055504).

201320111002 is a wasteful number, since it uses less digits than its factorization.

201320111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100660055503.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 201320111002 its reverse (200111023102), we get a palindrome (401431134104).

The spelling of 201320111002 in words is "two hundred one billion, three hundred twenty million, one hundred eleven thousand, two".