11222211100001 has 24 divisors (see below), whose sum is σ = 12389582016000. Its totient is φ = 10157016900800.

The previous prime is 11222211099923. The next prime is 11222211100013. The reversal of 11222211100001 is 10000111222211.

It is not a de Polignac number, because 11222211100001 - 2¹⁴ = 11222211083617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11222211103001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134402696 + ... + 134486166.

It is an arithmetic number, because the mean of its divisors is an integer number (516232584000).

Almost surely, 2^{11222211100001} is an apocalyptic number.

11222211100001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11222211100001 is a deficient number, since it is larger than the sum of its proper divisors (1167370915999).

11222211100001 is a wasteful number, since it uses less digits than its factorization.

11222211100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88381 (or 88370 counting only the distinct ones).

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

Adding to 11222211100001 its reverse (10000111222211), we get a palindrome (21222322322212).

It can be divided in two parts, 11222211 and 100001, that multiplied together give a palindrome (1122232322211).

The spelling of 11222211100001 in words is "eleven trillion, two hundred twenty-two billion, two hundred eleven million, one hundred thousand, one".