11212201011021 has 8 divisors (see below), whose sum is σ = 14949872537184. Its totient is φ = 7474665079440.

The previous prime is 11212201010893. The next prime is 11212201011023. The reversal of 11212201011021 is 12011010221211.

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 11212201011021 - 2⁷ = 11212201010893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212201011023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33705546 + ... + 34036571.

It is an arithmetic number, because the mean of its divisors is an integer number (1868734067148).

Almost surely, 2^{11212201011021} is an apocalyptic number.

It is an amenable number.

11212201011021 is a deficient number, since it is larger than the sum of its proper divisors (3737671526163).

11212201011021 is an equidigital number, since it uses as much as digits as its factorization.

11212201011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67797291.

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

Adding to 11212201011021 its reverse (12011010221211), we get a palindrome (23223211232232).

The spelling of 11212201011021 in words is "eleven trillion, two hundred twelve billion, two hundred one million, eleven thousand, twenty-one".