1100020211201 has 2 divisors, whose sum is σ = 1100020211202. Its totient is φ = 1100020211200.

The previous prime is 1100020211197. The next prime is 1100020211221. The reversal of 1100020211201 is 1021120200011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 608056848400 + 491963362801 = 779780^2 + 701401^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100020211201 - 2² = 1100020211197 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100020211221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550010105600 + 550010105601.

It is an arithmetic number, because the mean of its divisors is an integer number (550010105601).

Almost surely, 2^{1100020211201} is an apocalyptic number.

It is an amenable number.

1100020211201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100020211201 is an equidigital number, since it uses as much as digits as its factorization.

1100020211201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1100020211201 its reverse (1021120200011), we get a palindrome (2121140411212).

The spelling of 1100020211201 in words is "one trillion, one hundred billion, twenty million, two hundred eleven thousand, two hundred one".