2111111012012 has 12 divisors (see below), whose sum is σ = 3694528163256. Its totient is φ = 1055531536800.

The previous prime is 2111111011993. The next prime is 2111111012039. The reversal of 2111111012012 is 2102101111112.

It is a super-3 number, since 3×2111111012012³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5793398 + ... + 6147005.

It is an arithmetic number, because the mean of its divisors is an integer number (307877346938).

Almost surely, 2^{2111111012012} is an apocalyptic number.

It is an amenable number.

2111111012012 is a deficient number, since it is larger than the sum of its proper divisors (1583417151244).

2111111012012 is a wasteful number, since it uses less digits than its factorization.

2111111012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11984608 (or 11984606 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 2111111012012 its reverse (2102101111112), we get a palindrome (4213212123124).

The spelling of 2111111012012 in words is "two trillion, one hundred eleven billion, one hundred eleven million, twelve thousand, twelve".