11210001221211 has 8 divisors (see below), whose sum is σ = 16096412010000. Its totient is φ = 6898462289952.

The previous prime is 11210001221183. The next prime is 11210001221257. The reversal of 11210001221211 is 11212210001211.

It is a happy number.

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

It is not a de Polignac number, because 11210001221211 - 2¹⁴ = 11210001204827 is a prime.

It is a super-2 number, since 2×11210001221211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11210001221291) 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, 143717964336 + ... + 143717964413.

It is an arithmetic number, because the mean of its divisors is an integer number (2012051501250).

Almost surely, 2^{11210001221211} is an apocalyptic number.

11210001221211 is a deficient number, since it is larger than the sum of its proper divisors (4886410788789).

11210001221211 is a wasteful number, since it uses less digits than its factorization.

11210001221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287435928765.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11210001221211 its reverse (11212210001211), we get a palindrome (22422211222422).

The spelling of 11210001221211 in words is "eleven trillion, two hundred ten billion, one million, two hundred twenty-one thousand, two hundred eleven".