1103211001 has 2 divisors, whose sum is σ = 1103211002. Its totient is φ = 1103211000.

The previous prime is 1103210989. The next prime is 1103211019. The reversal of 1103211001 is 1001123011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 942428601 + 160782400 = 30699^2 + 12680^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103211001 - 2⁷ = 1103210873 is a prime.

It is not a weakly prime, because it can be changed into another prime (1103211101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551605500 + 551605501.

It is an arithmetic number, because the mean of its divisors is an integer number (551605501).

Almost surely, 2^1103211001 is an apocalyptic number.

It is an amenable number.

1103211001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103211001 is an equidigital number, since it uses as much as digits as its factorization.

1103211001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1103211001 is about 33214.6202898663. The cubic root of 1103211001 is about 1033.2835798336.

Adding to 1103211001 its reverse (1001123011), we get a palindrome (2104334012).

The spelling of 1103211001 in words is "one billion, one hundred three million, two hundred eleven thousand, one".