11212101012001 has 8 divisors (see below), whose sum is σ = 11818626364800. Its totient is φ = 10607217136560.

The previous prime is 11212101011957. The next prime is 11212101012023. The reversal of 11212101012001 is 10021010121211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11212101012001 - 2¹⁹ = 11212100487713 is a prime.

It is a super-2 number, since 2×11212101012001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11212101012401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410355310 + ... + 410382631.

It is an arithmetic number, because the mean of its divisors is an integer number (1477328295600).

Almost surely, 2^{11212101012001} is an apocalyptic number.

It is an amenable number.

11212101012001 is a deficient number, since it is larger than the sum of its proper divisors (606525352799).

11212101012001 is an equidigital number, since it uses as much as digits as its factorization.

11212101012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820738679.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11212101012001 its reverse (10021010121211), we get a palindrome (21233111133212).

The spelling of 11212101012001 in words is "eleven trillion, two hundred twelve billion, one hundred one million, twelve thousand, one".