201111101020002 has 64 divisors (see below), whose sum is σ = 407254789509120. Its totient is φ = 66199017467904.

The previous prime is 201111101020001. The next prime is 201111101020069. The reversal of 201111101020002 is 200020101111102.

It is a self number, because there is not a number n which added to its sum of digits gives 201111101020002.

It is not an unprimeable number, because it can be changed into a prime (201111101020001) 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, 15490334803 + ... + 15490347785.

It is an arithmetic number, because the mean of its divisors is an integer number (6363356086080).

Almost surely, 2^{201111101020002} is an apocalyptic number.

201111101020002 is an abundant number, since it is smaller than the sum of its proper divisors (206143688489118).

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

201111101020002 is a wasteful number, since it uses less digits than its factorization.

201111101020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24927.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201111101020002 its reverse (200020101111102), we get a palindrome (401131202131104).

The spelling of 201111101020002 in words is "two hundred one trillion, one hundred eleven billion, one hundred one million, twenty thousand, two".