201111220021002 has 64 divisors (see below), whose sum is σ = 418920035328000. Its totient is φ = 64305289661760.

The previous prime is 201111220020983. The next prime is 201111220021009. The reversal of 201111220021002 is 200120022111102.

201111220021002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (201111220021009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1043016999 + ... + 1043209797.

It is an arithmetic number, because the mean of its divisors is an integer number (6545625552000).

Almost surely, 2^{201111220021002} is an apocalyptic number.

201111220021002 is an abundant number, since it is smaller than the sum of its proper divisors (217808815306998).

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

201111220021002 is a wasteful number, since it uses less digits than its factorization.

201111220021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259091.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201111220021002 its reverse (200120022111102), we get a palindrome (401231242132104).

The spelling of 201111220021002 in words is "two hundred one trillion, one hundred eleven billion, two hundred twenty million, twenty-one thousand, two".