2211101212 has 12 divisors (see below), whose sum is σ = 4073081320. Its totient is φ = 1047363696.

The previous prime is 2211101197. The next prime is 2211101239. The reversal of 2211101212 is 2121011122.

It is a junction number, because it is equal to n+sod(n) for n = 2211101192 and 2211101201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14546643 + ... + 14546794.

Almost surely, 2^2211101212 is an apocalyptic number.

It is an amenable number.

2211101212 is a deficient number, since it is larger than the sum of its proper divisors (1861980108).

2211101212 is a wasteful number, since it uses less digits than its factorization.

2211101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29093460 (or 29093458 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2211101212 is about 47022.3480060279. The cubic root of 2211101212 is about 1302.7753747677.

Adding to 2211101212 its reverse (2121011122), we get a palindrome (4332112334).

The spelling of 2211101212 in words is "two billion, two hundred eleven million, one hundred one thousand, two hundred twelve".