10211211212201 has 4 divisors (see below), whose sum is σ = 10540605122304. Its totient is φ = 9881817302100.

The previous prime is 10211211212149. The next prime is 10211211212219. The reversal of 10211211212201 is 10221211211201.

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-10211211212201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10211211212201.

It is not an unprimeable number, because it can be changed into a prime (10211211212291) 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, 164696955005 + ... + 164696955066.

It is an arithmetic number, because the mean of its divisors is an integer number (2635151280576).

Almost surely, 2^{10211211212201} is an apocalyptic number.

It is an amenable number.

10211211212201 is a deficient number, since it is larger than the sum of its proper divisors (329393910103).

10211211212201 is an equidigital number, since it uses as much as digits as its factorization.

10211211212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329393910102.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 10211211212201 its reverse (10221211211201), we get a palindrome (20432422423402).

It can be divided in two parts, 1021121 and 1212201, that added together give a palindrome (2233322).

The spelling of 10211211212201 in words is "ten trillion, two hundred eleven billion, two hundred eleven million, two hundred twelve thousand, two hundred one".