1100212102001 has 2 divisors, whose sum is σ = 1100212102002. Its totient is φ = 1100212102000.

The previous prime is 1100212101971. The next prime is 1100212102019. The reversal of 1100212102001 is 1002012120011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 740548023601 + 359664078400 = 860551^2 + 599720^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100212102001 - 2²² = 1100207907697 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100212102091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550106051000 + 550106051001.

It is an arithmetic number, because the mean of its divisors is an integer number (550106051001).

Almost surely, 2^{1100212102001} is an apocalyptic number.

It is an amenable number.

1100212102001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100212102001 is an equidigital number, since it uses as much as digits as its factorization.

1100212102001 is an evil number, because the sum of its binary digits is even.

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

Adding to 1100212102001 its reverse (1002012120011), we get a palindrome (2102224222012).

The spelling of 1100212102001 in words is "one trillion, one hundred billion, two hundred twelve million, one hundred two thousand, one".