2211302311212 has 24 divisors (see below), whose sum is σ = 5159732768176. Its totient is φ = 737096859648.

The previous prime is 2211302311193. The next prime is 2211302311237. The reversal of 2211302311212 is 2121132031122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2698368 + ... + 3421080.

Almost surely, 2^{2211302311212} is an apocalyptic number.

It is an amenable number.

2211302311212 is an abundant number, since it is smaller than the sum of its proper divisors (2948430456964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2211302311212 is a wasteful number, since it uses less digits than its factorization.

2211302311212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977697 (or 977695 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2211302311212 its reverse (2121132031122), we get a palindrome (4332434342334).

The spelling of 2211302311212 in words is "two trillion, two hundred eleven billion, three hundred two million, three hundred eleven thousand, two hundred twelve".