10211001211001 has 4 divisors (see below), whose sum is σ = 10211014948992. Its totient is φ = 10210987473012.

The previous prime is 10211001210989. The next prime is 10211001211027. The reversal of 10211001211001 is 10011210011201.

10211001211001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10211001211001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10211001210001) 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, 5686205 + ... + 7263258.

It is an arithmetic number, because the mean of its divisors is an integer number (2552753737248).

Almost surely, 2^{10211001211001} is an apocalyptic number.

It is an amenable number.

10211001211001 is a deficient number, since it is larger than the sum of its proper divisors (13737991).

10211001211001 is an equidigital number, since it uses as much as digits as its factorization.

10211001211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13737990.

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

Adding to 10211001211001 its reverse (10011210011201), we get a palindrome (20222211222202).

The spelling of 10211001211001 in words is "ten trillion, two hundred eleven billion, one million, two hundred eleven thousand, one".