2211101022212 has 12 divisors (see below), whose sum is σ = 3871279090140. Its totient is φ = 1105021282176.

The previous prime is 2211101022139. The next prime is 2211101022217. The reversal of 2211101022212 is 2122201011122.

It can be written as a sum of positive squares in 2 ways, for example, as 1728609634756 + 482491387456 = 1314766^2 + 694616^2 .

It is not an unprimeable number, because it can be changed into a prime (2211101022217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132297833 + ... + 132314544.

It is an arithmetic number, because the mean of its divisors is an integer number (322606590845).

Almost surely, 2^{2211101022212} is an apocalyptic number.

It is an amenable number.

2211101022212 is a deficient number, since it is larger than the sum of its proper divisors (1660178067928).

2211101022212 is a wasteful number, since it uses less digits than its factorization.

2211101022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264614470 (or 264614468 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2211101022212 its reverse (2122201011122), we get a palindrome (4333302033334).

The spelling of 2211101022212 in words is "two trillion, two hundred eleven billion, one hundred one million, twenty-two thousand, two hundred twelve".