201121122102002 has 4 divisors (see below), whose sum is σ = 301681683153006. Its totient is φ = 100560561051000.

The previous prime is 201121122101987. The next prime is 201121122102053. The reversal of 201121122102002 is 200201221121102.

201121122102002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 174602422665841 + 26518699436161 = 13213721^2 + 5149631^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50280280525499 + ... + 50280280525502.

Almost surely, 2^{201121122102002} is an apocalyptic number.

201121122102002 is a deficient number, since it is larger than the sum of its proper divisors (100560561051004).

201121122102002 is a wasteful number, since it uses less digits than its factorization.

201121122102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100560561051003.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201121122102002 its reverse (200201221121102), we get a palindrome (401322343223104).

The spelling of 201121122102002 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred twenty-two million, one hundred two thousand, two".