201211120111002 has 8 divisors (see below), whose sum is σ = 402422240222016. Its totient is φ = 67070373370332.

The previous prime is 201211120110961. The next prime is 201211120111037. The reversal of 201211120111002 is 200111021112102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

201211120111002 is an admirable number.

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 in 3 ways as a sum of consecutive naturals, for example, 16767593342578 + ... + 16767593342589.

It is an arithmetic number, because the mean of its divisors is an integer number (50302780027752).

Almost surely, 2^{201211120111002} is an apocalyptic number.

201211120111002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201211120111002 is a wasteful number, since it uses less digits than its factorization.

201211120111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33535186685172.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201211120111002 its reverse (200111021112102), we get a palindrome (401322141223104).

The spelling of 201211120111002 in words is "two hundred one trillion, two hundred eleven billion, one hundred twenty million, one hundred eleven thousand, two".