10212222223111 has 4 divisors (see below), whose sum is σ = 10254596589424. Its totient is φ = 10169847856800.

The previous prime is 10212222223067. The next prime is 10212222223127. The reversal of 10212222223111 is 11132222221201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10212222223111 - 2¹⁹ = 10212221698823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212222220111) 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, 21187182795 + ... + 21187183276.

It is an arithmetic number, because the mean of its divisors is an integer number (2563649147356).

Almost surely, 2^{10212222223111} is an apocalyptic number.

10212222223111 is a deficient number, since it is larger than the sum of its proper divisors (42374366313).

10212222223111 is an equidigital number, since it uses as much as digits as its factorization.

10212222223111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42374366312.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 10212222223111 its reverse (11132222221201), we get a palindrome (21344444444312).

The spelling of 10212222223111 in words is "ten trillion, two hundred twelve billion, two hundred twenty-two million, two hundred twenty-three thousand, one hundred eleven".