10222221121211 has 96 divisors (see below), whose sum is σ = 11820480795648. Its totient is φ = 8825889600000.

The previous prime is 10222221121201. The next prime is 10222221121247. The reversal of 10222221121211 is 11212112222201.

It is a de Polignac number, because none of the positive numbers 2^k-10222221121211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10222221121201) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11270364620 + ... + 11270365526.

It is an arithmetic number, because the mean of its divisors is an integer number (123130008288).

Almost surely, 2^{10222221121211} is an apocalyptic number.

10222221121211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10222221121211 is a deficient number, since it is larger than the sum of its proper divisors (1598259674437).

10222221121211 is a wasteful number, since it uses less digits than its factorization.

10222221121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1414 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 10222221121211 its reverse (11212112222201), we get a palindrome (21434333343412).

The spelling of 10222221121211 in words is "ten trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-one thousand, two hundred eleven".