10221222211211 has 8 divisors (see below), whose sum is σ = 11169749062704. Its totient is φ = 9275916165120.

The previous prime is 10221222211201. The next prime is 10221222211243. The reversal of 10221222211211 is 11211222212201.

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

It is not a de Polignac number, because 10221222211211 - 2²² = 10221218016907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221222211201) 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, 805194710 + ... + 805207403.

It is an arithmetic number, because the mean of its divisors is an integer number (1396218632838).

Almost surely, 2^{10221222211211} is an apocalyptic number.

10221222211211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10221222211211 is a deficient number, since it is larger than the sum of its proper divisors (948526851493).

10221222211211 is a wasteful number, since it uses less digits than its factorization.

10221222211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610402701.

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

Adding to 10221222211211 its reverse (11211222212201), we get a palindrome (21432444423412).

The spelling of 10221222211211 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred eleven thousand, two hundred eleven".