1101210001 has 2 divisors, whose sum is σ = 1101210002. Its totient is φ = 1101210000.

The previous prime is 1101209987. The next prime is 1101210017. The reversal of 1101210001 is 1000121011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 987467776 + 113742225 = 31424^2 + 10665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101210001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101210401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550605000 + 550605001.

It is an arithmetic number, because the mean of its divisors is an integer number (550605001).

Almost surely, 2^1101210001 is an apocalyptic number.

It is an amenable number.

1101210001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101210001 is an equidigital number, since it uses as much as digits as its factorization.

1101210001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 1101210001 is about 33184.4843413304. The cubic root of 1101210001 is about 1032.6584797784.

Adding to 1101210001 its reverse (1000121011), we get a palindrome (2101331012).

The spelling of 1101210001 in words is "one billion, one hundred one million, two hundred ten thousand, one".