2111211112012 has 12 divisors (see below), whose sum is σ = 3703191651936. Its totient is φ = 1053156354320.

The previous prime is 2111211112009. The next prime is 2111211112057. The reversal of 2111211112012 is 2102111121112.

It is a super-2 number, since 2×2111211112012² (a number of 25 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 612298483 + ... + 612301930.

It is an arithmetic number, because the mean of its divisors is an integer number (308599304328).

Almost surely, 2^{2111211112012} is an apocalyptic number.

It is an amenable number.

2111211112012 is a deficient number, since it is larger than the sum of its proper divisors (1591980539924).

2111211112012 is a wasteful number, since it uses less digits than its factorization.

2111211112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224600848 (or 1224600846 counting only the distinct ones).

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

Adding to 2111211112012 its reverse (2102111121112), we get a palindrome (4213322233124).

The spelling of 2111211112012 in words is "two trillion, one hundred eleven billion, two hundred eleven million, one hundred twelve thousand, twelve".