13211022121211 has 8 divisors (see below), whose sum is σ = 13308720199824. Its totient is φ = 13113342408960.

The previous prime is 13211022121159. The next prime is 13211022121237. The reversal of 13211022121211 is 11212122011231.

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 13211022121211 - 2⁶ = 13211022121147 is a prime.

It is a super-2 number, since 2×13211022121211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13211022121511) 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, 3145985 + ... + 6026546.

It is an arithmetic number, because the mean of its divisors is an integer number (1663590024978).

Almost surely, 2^{13211022121211} is an apocalyptic number.

13211022121211 is a deficient number, since it is larger than the sum of its proper divisors (97698078613).

13211022121211 is a wasteful number, since it uses less digits than its factorization.

13211022121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9183181.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 13211022121211 its reverse (11212122011231), we get a palindrome (24423144132442).

The spelling of 13211022121211 in words is "thirteen trillion, two hundred eleven billion, twenty-two million, one hundred twenty-one thousand, two hundred eleven".