201020112201002 has 4 divisors (see below), whose sum is σ = 301530168301506. Its totient is φ = 100510056100500.

The previous prime is 201020112200939. The next prime is 201020112201017. The reversal of 201020112201002 is 200102211020102.

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., 173910710125441 + 27109402075561 = 13187521^2 + 5206669^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 50255028050249 + ... + 50255028050252.

Almost surely, 2^{201020112201002} is an apocalyptic number.

201020112201002 is a deficient number, since it is larger than the sum of its proper divisors (100510056100504).

201020112201002 is a wasteful number, since it uses less digits than its factorization.

201020112201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100510056100503.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201020112201002 its reverse (200102211020102), we get a palindrome (401122323221104).

The spelling of 201020112201002 in words is "two hundred one trillion, twenty billion, one hundred twelve million, two hundred one thousand, two".