11020212021121 has 8 divisors (see below), whose sum is σ = 11201534000384. Its totient is φ = 10838911421520.

The previous prime is 11020212021107. The next prime is 11020212021179. The reversal of 11020212021121 is 12112021202011.

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 11020212021121 - 2²¹ = 11020209923969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020212021095 and 11020212021104.

It is not an unprimeable number, because it can be changed into a prime (11020218021121) 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, 4303875 + ... + 6368968.

It is an arithmetic number, because the mean of its divisors is an integer number (1400191750048).

Almost surely, 2^{11020212021121} is an apocalyptic number.

It is an amenable number.

11020212021121 is a deficient number, since it is larger than the sum of its proper divisors (181321979263).

11020212021121 is a wasteful number, since it uses less digits than its factorization.

11020212021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10689831.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11020212021121 its reverse (12112021202011), we get a palindrome (23132233223132).

The spelling of 11020212021121 in words is "eleven trillion, twenty billion, two hundred twelve million, twenty-one thousand, one hundred twenty-one".