2011110221212 has 6 divisors (see below), whose sum is σ = 3519442887128. Its totient is φ = 1005555110604.

The previous prime is 2011110221209. The next prime is 2011110221243. The reversal of 2011110221212 is 2121220111102.

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, 251388777648 + ... + 251388777655.

Almost surely, 2^{2011110221212} is an apocalyptic number.

It is an amenable number.

2011110221212 is a deficient number, since it is larger than the sum of its proper divisors (1508332665916).

2011110221212 is a wasteful number, since it uses less digits than its factorization.

2011110221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502777555307 (or 502777555305 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2011110221212 its reverse (2121220111102), we get a palindrome (4132330332314).

It can be divided in two parts, 20111102 and 21212, that multiplied together give a palindrome (426596695624).

The spelling of 2011110221212 in words is "two trillion, eleven billion, one hundred ten million, two hundred twenty-one thousand, two hundred twelve".