2211331340212 has 24 divisors (see below), whose sum is σ = 3906684331200. Its totient is φ = 1095178022400.

The previous prime is 2211331340123. The next prime is 2211331340221. The reversal of 2211331340212 is 2120431331122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5065837 + ... + 5485012.

It is an arithmetic number, because the mean of its divisors is an integer number (162778513800).

Almost surely, 2^{2211331340212} is an apocalyptic number.

It is an amenable number.

2211331340212 is a deficient number, since it is larger than the sum of its proper divisors (1695352990988).

2211331340212 is a wasteful number, since it uses less digits than its factorization.

2211331340212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10551351 (or 10551349 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 2211331340212 its reverse (2120431331122), we get a palindrome (4331762671334).

The spelling of 2211331340212 in words is "two trillion, two hundred eleven billion, three hundred thirty-one million, three hundred forty thousand, two hundred twelve".