11012211021121 has 8 divisors (see below), whose sum is σ = 11491050018240. Its totient is φ = 10533375958512.

The previous prime is 11012211021047. The next prime is 11012211021131. The reversal of 11012211021121 is 12112011221011.

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 11012211021121 - 2²³ = 11012202632513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11012211021095 and 11012211021104.

It is not an unprimeable number, because it can be changed into a prime (11012211021131) 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, 5703051 + ... + 7385743.

It is an arithmetic number, because the mean of its divisors is an integer number (1436381252280).

Almost surely, 2^{11012211021121} is an apocalyptic number.

It is an amenable number.

11012211021121 is a deficient number, since it is larger than the sum of its proper divisors (478838997119).

11012211021121 is a wasteful number, since it uses less digits than its factorization.

11012211021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967255.

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

Adding to 11012211021121 its reverse (12112011221011), we get a palindrome (23124222242132).

The spelling of 11012211021121 in words is "eleven trillion, twelve billion, two hundred eleven million, twenty-one thousand, one hundred twenty-one".