11121201011211 has 16 divisors (see below), whose sum is σ = 15237779570208. Its totient is φ = 7209608428800.

The previous prime is 11121201011203. The next prime is 11121201011213. The reversal of 11121201011211 is 11211010212111.

11121201011211 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 11121201011211 - 2³ = 11121201011203 is a prime.

It is a super-2 number, since 2×11121201011211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11121201011213) 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, 28580730 + ... + 28967231.

It is an arithmetic number, because the mean of its divisors is an integer number (952361223138).

Almost surely, 2^{11121201011211} is an apocalyptic number.

11121201011211 is a deficient number, since it is larger than the sum of its proper divisors (4116578558997).

11121201011211 is a wasteful number, since it uses less digits than its factorization.

11121201011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57549742.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11121201011211 its reverse (11211010212111), we get a palindrome (22332211223322).

The spelling of 11121201011211 in words is "eleven trillion, one hundred twenty-one billion, two hundred one million, eleven thousand, two hundred eleven".