11202121021011 has 8 divisors (see below), whose sum is σ = 14979205055424. Its totient is φ = 7446558833640.

The previous prime is 11202121020973. The next prime is 11202121021027. The reversal of 11202121021011 is 11012012120211.

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 11202121021011 - 2⁶ = 11202121020947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11202121021111) 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, 5380460545 + ... + 5380462626.

It is an arithmetic number, because the mean of its divisors is an integer number (1872400631928).

Almost surely, 2^{11202121021011} is an apocalyptic number.

11202121021011 is a deficient number, since it is larger than the sum of its proper divisors (3777084034413).

11202121021011 is a wasteful number, since it uses less digits than its factorization.

11202121021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10760923521.

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

Adding to 11202121021011 its reverse (11012012120211), we get a palindrome (22214133141222).

The spelling of 11202121021011 in words is "eleven trillion, two hundred two billion, one hundred twenty-one million, twenty-one thousand, eleven".