2112012120111 has 8 divisors (see below), whose sum is σ = 2816562661680. Its totient is φ = 1407734829312.

The previous prime is 2112012120107. The next prime is 2112012120121. The reversal of 2112012120111 is 1110212102112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2112012120111 - 2² = 2112012120107 is a prime.

It is a super-2 number, since 2×2112012120111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112012120121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68294656 + ... + 68325573.

It is an arithmetic number, because the mean of its divisors is an integer number (352070332710).

Almost surely, 2^{2112012120111} is an apocalyptic number.

2112012120111 is a deficient number, since it is larger than the sum of its proper divisors (704550541569).

2112012120111 is a wasteful number, since it uses less digits than its factorization.

2112012120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136625385.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2112012120111 its reverse (1110212102112), we get a palindrome (3222224222223).

The spelling of 2112012120111 in words is "two trillion, one hundred twelve billion, twelve million, one hundred twenty thousand, one hundred eleven".