2011212111102 has 64 divisors (see below), whose sum is σ = 4062661289280. Its totient is φ = 663741517824.

The previous prime is 2011212111091. The next prime is 2011212111179. The reversal of 2011212111102 is 2011112121102.

It is a happy number.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 180907648 + ... + 180918764.

It is an arithmetic number, because the mean of its divisors is an integer number (63479082645).

Almost surely, 2^{2011212111102} is an apocalyptic number.

2011212111102 is an abundant number, since it is smaller than the sum of its proper divisors (2051449178178).

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

2011212111102 is a wasteful number, since it uses less digits than its factorization.

2011212111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12077.

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

Adding to 2011212111102 its reverse (2011112121102), we get a palindrome (4022324232204).

The spelling of 2011212111102 in words is "two trillion, eleven billion, two hundred twelve million, one hundred eleven thousand, one hundred two".