10211222211211 has 8 divisors (see below), whose sum is σ = 11670166800864. Its totient is φ = 8752327261440.

The previous prime is 10211222211109. The next prime is 10211222211251. The reversal of 10211222211211 is 11211222211201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10211222211211 - 2¹¹ = 10211222209163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10211222211251) 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, 11968120 + ... + 12792901.

It is an arithmetic number, because the mean of its divisors is an integer number (1458770850108).

Almost surely, 2^{10211222211211} is an apocalyptic number.

10211222211211 is a deficient number, since it is larger than the sum of its proper divisors (1458944589653).

10211222211211 is an equidigital number, since it uses as much as digits as its factorization.

10211222211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24819941.

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

Adding to 10211222211211 its reverse (11211222211201), we get a palindrome (21422444422412).

The spelling of 10211222211211 in words is "ten trillion, two hundred eleven billion, two hundred twenty-two million, two hundred eleven thousand, two hundred eleven".