10011211201001 has 4 divisors (see below), whose sum is σ = 10015048386900. Its totient is φ = 10007374015104.

The previous prime is 10011211200997. The next prime is 10011211201031. The reversal of 10011211201001 is 10010211211001.

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 2898727579225 + 7112483621776 = 1702565^2 + 2666924^2 .

It is a cyclic number.

It is not a de Polignac number, because 10011211201001 - 2² = 10011211200997 is a prime.

It is a super-3 number, since 3×10011211201001³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10011211201031) 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, 1918589036 + ... + 1918594253.

It is an arithmetic number, because the mean of its divisors is an integer number (2503762096725).

Almost surely, 2^{10011211201001} is an apocalyptic number.

It is an amenable number.

10011211201001 is a deficient number, since it is larger than the sum of its proper divisors (3837185899).

10011211201001 is an equidigital number, since it uses as much as digits as its factorization.

10011211201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837185898.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10011211201001 its reverse (10010211211001), we get a palindrome (20021422412002).

The spelling of 10011211201001 in words is "ten trillion, eleven billion, two hundred eleven million, two hundred one thousand, one".