11222212000001 has 4 divisors (see below), whose sum is σ = 11333323010004. Its totient is φ = 11111100990000.

The previous prime is 11222211999983. The next prime is 11222212000019. The reversal of 11222212000001 is 10000021222211.

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

It is an interprime number because it is at equal distance from previous prime (11222211999983) and next prime (11222212000019).

It can be written as a sum of positive squares in 2 ways, for example, as 10056503097601 + 1165708902400 = 3171199^2 + 1079680^2 .

It is a cyclic number.

It is not a de Polignac number, because 11222212000001 - 2¹⁸ = 11222211737857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11222212000001.

It is not an unprimeable number, because it can be changed into a prime (11222212000201) 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, 55555504850 + ... + 55555505051.

It is an arithmetic number, because the mean of its divisors is an integer number (2833330752501).

Almost surely, 2^{11222212000001} is an apocalyptic number.

It is an amenable number.

11222212000001 is a deficient number, since it is larger than the sum of its proper divisors (111111010003).

11222212000001 is a wasteful number, since it uses less digits than its factorization.

11222212000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111111010002.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11222212000001 its reverse (10000021222211), we get a palindrome (21222233222212).

The spelling of 11222212000001 in words is "eleven trillion, two hundred twenty-two billion, two hundred twelve million, one", and thus it is an aban number.