2111122102012 has 48 divisors (see below), whose sum is σ = 4619752720128. Its totient is φ = 820074366720.

The previous prime is 2111122102007. The next prime is 2111122102013. The reversal of 2111122102012 is 2102012211112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111122102013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10065778 + ... + 10273369.

It is an arithmetic number, because the mean of its divisors is an integer number (96244848336).

Almost surely, 2^{2111122102012} is an apocalyptic number.

2111122102012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2111122102012 is an abundant number, since it is smaller than the sum of its proper divisors (2508630618116).

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

2111122102012 is a wasteful number, since it uses less digits than its factorization.

2111122102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20339506 (or 20339504 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2111122102012 its reverse (2102012211112), we get a palindrome (4213134313124).

It can be divided in two parts, 211112 and 2102012, that multiplied together give a palindrome (443759957344).

The spelling of 2111122102012 in words is "two trillion, one hundred eleven billion, one hundred twenty-two million, one hundred two thousand, twelve".