2011110021212 has 24 divisors (see below), whose sum is σ = 3629158687392. Its totient is φ = 974532384000.

The previous prime is 2011110021187. The next prime is 2011110021223. The reversal of 2011110021212 is 2121200111102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40580753 + ... + 40630280.

It is an arithmetic number, because the mean of its divisors is an integer number (151214945308).

Almost surely, 2^{2011110021212} is an apocalyptic number.

It is an amenable number.

2011110021212 is a deficient number, since it is larger than the sum of its proper divisors (1618048666180).

2011110021212 is a wasteful number, since it uses less digits than its factorization.

2011110021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81211229 (or 81211227 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2011110021212 its reverse (2121200111102), we get a palindrome (4132310132314).

The spelling of 2011110021212 in words is "two trillion, eleven billion, one hundred ten million, twenty-one thousand, two hundred twelve".