11222211000001 has 8 divisors (see below), whose sum is σ = 11297671194600. Its totient is φ = 11146752716928.

The previous prime is 11222210999983. The next prime is 11222211000019. The reversal of 11222211000001 is 10000011222211.

It is an interprime number because it is at equal distance from previous prime (11222210999983) and next prime (11222211000019).

It can be written as a sum of positive squares in 4 ways, for example, as 71126223025 + 11151084776976 = 266695^2 + 3339324^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11222211000001 - 2⁵ = 11222210999969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11222211000041) 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, 12480405 + ... + 13349341.

It is an arithmetic number, because the mean of its divisors is an integer number (1412208899325).

Almost surely, 2^{11222211000001} is an apocalyptic number.

It is an amenable number.

11222211000001 is a deficient number, since it is larger than the sum of its proper divisors (75460194599).

11222211000001 is an equidigital number, since it uses as much as digits as its factorization.

11222211000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955763.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11222211000001 its reverse (10000011222211), we get a palindrome (21222222222212).

The spelling of 11222211000001 in words is "eleven trillion, two hundred twenty-two billion, two hundred eleven million, one", and thus it is an aban number.