11020210121 has 8 divisors (see below), whose sum is σ = 11630049600. Its totient is φ = 10413353520.

The previous prime is 11020210099. The next prime is 11020210147. The reversal of 11020210121 is 12101202011.

11020210121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11020210121 - 2³⁰ = 9946468297 is a prime.

It is a super-2 number, since 2×11020210121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020210171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738125 + ... + 752906.

It is an arithmetic number, because the mean of its divisors is an integer number (1453756200).

Almost surely, 2^11020210121 is an apocalyptic number.

It is an amenable number.

11020210121 is a deficient number, since it is larger than the sum of its proper divisors (609839479).

11020210121 is a wasteful number, since it uses less digits than its factorization.

11020210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491439.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11020210121 its reverse (12101202011), we get a palindrome (23121412132).

The spelling of 11020210121 in words is "eleven billion, twenty million, two hundred ten thousand, one hundred twenty-one".