11212021021201 has 64 divisors (see below), whose sum is σ = 15291472896000. Its totient is φ = 7937700825600.

The previous prime is 11212021021193. The next prime is 11212021021249. The reversal of 11212021021201 is 10212012021211.

It is not a de Polignac number, because 11212021021201 - 2³ = 11212021021193 is a prime.

It is a super-2 number, since 2×11212021021201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11212021025201) 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 63 ways as a sum of consecutive naturals, for example, 42439845 + ... + 42703213.

It is an arithmetic number, because the mean of its divisors is an integer number (238929264000).

Almost surely, 2^{11212021021201} is an apocalyptic number.

11212021021201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11212021021201 is a deficient number, since it is larger than the sum of its proper divisors (4079451874799).

11212021021201 is a wasteful number, since it uses less digits than its factorization.

11212021021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264070.

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

Adding to 11212021021201 its reverse (10212012021211), we get a palindrome (21424033042412).

The spelling of 11212021021201 in words is "eleven trillion, two hundred twelve billion, twenty-one million, twenty-one thousand, two hundred one".