10211020102191 has 16 divisors (see below), whose sum is σ = 13875350471424. Its totient is φ = 6678253575744.

The previous prime is 10211020102183. The next prime is 10211020102207. The reversal of 10211020102191 is 19120102011201.

10211020102191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10211020102191 - 2³ = 10211020102183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211020202191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154384566 + ... + 154450691.

It is an arithmetic number, because the mean of its divisors is an integer number (867209404464).

Almost surely, 2^{10211020102191} is an apocalyptic number.

10211020102191 is a deficient number, since it is larger than the sum of its proper divisors (3664330369233).

10211020102191 is a wasteful number, since it uses less digits than its factorization.

10211020102191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308835470.

The product of its (nonzero) digits is 72, while the sum is 21.

Adding to 10211020102191 its reverse (19120102011201), we get a palindrome (29331122113392).

The spelling of 10211020102191 in words is "ten trillion, two hundred eleven billion, twenty million, one hundred two thousand, one hundred ninety-one".