10001212211 has 8 divisors (see below), whose sum is σ = 10232972784. Its totient is φ = 9772012800.

The previous prime is 10001212187. The next prime is 10001212231. The reversal of 10001212211 is 11221210001.

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 10001212211 - 2²² = 9997017907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10001212192 and 10001212201.

It is not an unprimeable number, because it can be changed into a prime (10001212231) 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, 632390 + ... + 648011.

It is an arithmetic number, because the mean of its divisors is an integer number (1279121598).

Almost surely, 2^10001212211 is an apocalyptic number.

10001212211 is a deficient number, since it is larger than the sum of its proper divisors (231760573).

10001212211 is a wasteful number, since it uses less digits than its factorization.

10001212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280581.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10001212211 its reverse (11221210001), we get a palindrome (21222422212).

The spelling of 10001212211 in words is "ten billion, one million, two hundred twelve thousand, two hundred eleven".