2111021112112 has 60 divisors (see below), whose sum is σ = 4496007381208. Its totient is φ = 959496595200.

The previous prime is 2111021112107. The next prime is 2111021112119. The reversal of 2111021112112 is 2112111201112.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (2111021112119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57366583 + ... + 57403369.

Almost surely, 2^{2111021112112} is an apocalyptic number.

2111021112112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2111021112112 is an abundant number, since it is smaller than the sum of its proper divisors (2384986269096).

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

2111021112112 is a wasteful number, since it uses less digits than its factorization.

2111021112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66458 (or 66441 counting only the distinct ones).

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

Adding to 2111021112112 its reverse (2112111201112), we get a palindrome (4223132313224).

The spelling of 2111021112112 in words is "two trillion, one hundred eleven billion, twenty-one million, one hundred twelve thousand, one hundred twelve".