2111101011212 has 12 divisors (see below), whose sum is σ = 3694541377800. Its totient is φ = 1055517760416.

The previous prime is 2111101011211. The next prime is 2111101011301. The reversal of 2111101011212 is 2121101011112.

It is not an unprimeable number, because it can be changed into a prime (2111101011211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8040953 + ... + 8299344.

It is an arithmetic number, because the mean of its divisors is an integer number (307878448150).

Almost surely, 2^{2111101011212} is an apocalyptic number.

It is an amenable number.

2111101011212 is a deficient number, since it is larger than the sum of its proper divisors (1583440366588).

2111101011212 is a wasteful number, since it uses less digits than its factorization.

2111101011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16372600 (or 16372598 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 2111101011212 its reverse (2121101011112), we get a palindrome (4232202022324).

The spelling of 2111101011212 in words is "two trillion, one hundred eleven billion, one hundred one million, eleven thousand, two hundred twelve".