11222001202001 has 2 divisors, whose sum is σ = 11222001202002. Its totient is φ = 11222001202000.

The previous prime is 11222001201991. The next prime is 11222001202037. The reversal of 11222001202001 is 10020210022211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7937877995776 + 3284123206225 = 2817424^2 + 1812215^2 .

It is an emirp because it is prime and its reverse (10020210022211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11222001202001 - 2⁴² = 6823954690897 is a prime.

It is not a weakly prime, because it can be changed into another prime (11222001202501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611000601000 + 5611000601001.

It is an arithmetic number, because the mean of its divisors is an integer number (5611000601001).

Almost surely, 2^{11222001202001} is an apocalyptic number.

It is an amenable number.

11222001202001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222001202001 is an equidigital number, since it uses as much as digits as its factorization.

11222001202001 is an odious number, because the sum of its binary digits is odd.

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

Adding to 11222001202001 its reverse (10020210022211), we get a palindrome (21242211224212).

The spelling of 11222001202001 in words is "eleven trillion, two hundred twenty-two billion, one million, two hundred two thousand, one".