2111122012 has 6 divisors (see below), whose sum is σ = 3694463528. Its totient is φ = 1055561004.

The previous prime is 2111122003. The next prime is 2111122031. The reversal of 2111122012 is 2102211112.

It is a super-2 number, since 2×2111122012² = 8913672299101856288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2111121983 and 2111122001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263890248 + ... + 263890255.

Almost surely, 2^2111122012 is an apocalyptic number.

It is an amenable number.

2111122012 is a deficient number, since it is larger than the sum of its proper divisors (1583341516).

2111122012 is a wasteful number, since it uses less digits than its factorization.

2111122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527780507 (or 527780505 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2111122012 is about 45946.9477985209. The cubic root of 2111122012 is about 1282.8359184262.

Adding to 2111122012 its reverse (2102211112), we get a palindrome (4213333124).

The spelling of 2111122012 in words is "two billion, one hundred eleven million, one hundred twenty-two thousand, twelve".