1100212120201 has 2 divisors, whose sum is σ = 1100212120202. Its totient is φ = 1100212120200.

The previous prime is 1100212120171. The next prime is 1100212120223. The reversal of 1100212120201 is 1020212120011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 793239609600 + 306972510601 = 890640^2 + 554051^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100212120201 - 2⁵ = 1100212120169 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100212120291) 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, 550106060100 + 550106060101.

It is an arithmetic number, because the mean of its divisors is an integer number (550106060101).

Almost surely, 2^{1100212120201} is an apocalyptic number.

It is an amenable number.

1100212120201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100212120201 is an equidigital number, since it uses as much as digits as its factorization.

1100212120201 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1100212120201 its reverse (1020212120011), we get a palindrome (2120424240212).

The spelling of 1100212120201 in words is "one trillion, one hundred billion, two hundred twelve million, one hundred twenty thousand, two hundred one".