11020210211121 has 8 divisors (see below), whose sum is σ = 14693672258400. Its totient is φ = 7346777485632.

The previous prime is 11020210211113. The next prime is 11020210211137. The reversal of 11020210211121 is 12111201202011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11020210211121 - 2³ = 11020210211113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11020210211121.

It is not an unprimeable number, because it can be changed into a prime (11020210213121) 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, 6437971 + ... + 7967928.

It is an arithmetic number, because the mean of its divisors is an integer number (1836709032300).

Almost surely, 2^{11020210211121} is an apocalyptic number.

It is an amenable number.

11020210211121 is a deficient number, since it is larger than the sum of its proper divisors (3673462047279).

11020210211121 is a wasteful number, since it uses less digits than its factorization.

11020210211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14660895.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11020210211121 its reverse (12111201202011), we get a palindrome (23131411413132).

The spelling of 11020210211121 in words is "eleven trillion, twenty billion, two hundred ten million, two hundred eleven thousand, one hundred twenty-one".