2211133022312 has 32 divisors (see below), whose sum is σ = 4172433974280. Its totient is φ = 1098497925120.

The previous prime is 2211133022251. The next prime is 2211133022317. The reversal of 2211133022312 is 2132203311122.

It can be written as a sum of positive squares in 4 ways, for example, as 1138860346276 + 1072272676036 = 1067174^2 + 1035506^2 .

It is not an unprimeable number, because it can be changed into a prime (2211133022317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395468 + ... + 2139780.

Almost surely, 2^{2211133022312} is an apocalyptic number.

It is an amenable number.

2211133022312 is a deficient number, since it is larger than the sum of its proper divisors (1961300951968).

2211133022312 is a wasteful number, since it uses less digits than its factorization.

2211133022312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745333 (or 1745329 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2211133022312 its reverse (2132203311122), we get a palindrome (4343336333434).

The spelling of 2211133022312 in words is "two trillion, two hundred eleven billion, one hundred thirty-three million, twenty-two thousand, three hundred twelve".