1222100110211 has 4 divisors (see below), whose sum is σ = 1222752594792. Its totient is φ = 1221447625632.

The previous prime is 1222100110193. The next prime is 1222100110213. The reversal of 1222100110211 is 1120110012221.

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 1222100110211 - 2¹⁰ = 1222100109187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222100110213) 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, 326239481 + ... + 326243226.

It is an arithmetic number, because the mean of its divisors is an integer number (305688148698).

Almost surely, 2^{1222100110211} is an apocalyptic number.

1222100110211 is a deficient number, since it is larger than the sum of its proper divisors (652484581).

1222100110211 is an equidigital number, since it uses as much as digits as its factorization.

1222100110211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652484580.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1222100110211 its reverse (1120110012221), we get a palindrome (2342210122432).

The spelling of 1222100110211 in words is "one trillion, two hundred twenty-two billion, one hundred million, one hundred ten thousand, two hundred eleven".