10101101211001 has 4 divisors (see below), whose sum is σ = 10104707462004. Its totient is φ = 10097494960000.

The previous prime is 10101101210971. The next prime is 10101101211049. The reversal of 10101101211001 is 10011210110101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3544935840000 + 6556165371001 = 1882800^2 + 2560501^2 .

It is a cyclic number.

It is not a de Polignac number, because 10101101211001 - 2²⁹ = 10100564340089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10101101211301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1803121300 + ... + 1803126901.

It is an arithmetic number, because the mean of its divisors is an integer number (2526176865501).

Almost surely, 2^{10101101211001} is an apocalyptic number.

It is an amenable number.

10101101211001 is a deficient number, since it is larger than the sum of its proper divisors (3606251003).

10101101211001 is an equidigital number, since it uses as much as digits as its factorization.

10101101211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606251002.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 10101101211001 its reverse (10011210110101), we get a palindrome (20112311321102).

The spelling of 10101101211001 in words is "ten trillion, one hundred one billion, one hundred one million, two hundred eleven thousand, one".