10211211122212 has 24 divisors (see below), whose sum is σ = 17962442378496. Its totient is φ = 5079090830688.

The previous prime is 10211211122207. The next prime is 10211211122221. The reversal of 10211211122212 is 21222111211201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10211211122212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5973463 + ... + 7490305.

It is an arithmetic number, because the mean of its divisors is an integer number (748435099104).

Almost surely, 2^{10211211122212} is an apocalyptic number.

It is an amenable number.

10211211122212 is a deficient number, since it is larger than the sum of its proper divisors (7751231256284).

10211211122212 is a wasteful number, since it uses less digits than its factorization.

10211211122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525587 (or 1525585 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 10211211122212 its reverse (21222111211201), we get a palindrome (31433322333413).

The spelling of 10211211122212 in words is "ten trillion, two hundred eleven billion, two hundred eleven million, one hundred twenty-two thousand, two hundred twelve".