2111010012012 has 48 divisors (see below), whose sum is σ = 5374800692352. Its totient is φ = 639542782080.

The previous prime is 2111010011987. The next prime is 2111010012019. The reversal of 2111010012012 is 2102100101112.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2111010012019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1425598 + ... + 2500869.

It is an arithmetic number, because the mean of its divisors is an integer number (111975014424).

Almost surely, 2^{2111010012012} is an apocalyptic number.

2111010012012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2111010012012 is an abundant number, since it is smaller than the sum of its proper divisors (3263790680340).

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

2111010012012 is a wasteful number, since it uses less digits than its factorization.

2111010012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3930558 (or 3930556 counting only the distinct ones).

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

Adding to 2111010012012 its reverse (2102100101112), we get a palindrome (4213110113124).

It can be divided in two parts, 21110100 and 12012, that added together give a palindrome (21122112).

The spelling of 2111010012012 in words is "two trillion, one hundred eleven billion, ten million, twelve thousand, twelve".