11212101132021 has 24 divisors (see below), whose sum is σ = 16252083207360. Its totient is φ = 7448551809216.

The previous prime is 11212101131993. The next prime is 11212101132047. The reversal of 11212101132021 is 12023110121211.

It is a happy number.

11212101132021 is a `hidden beast` number, since 1 + 121 + 210 + 11 + 320 + 2 + 1 = 666.

11212101132021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11212101132021 - 2¹¹ = 11212101129973 is a prime.

It is a super-2 number, since 2×11212101132021² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11212101131985 and 11212101132003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212101134021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1104145 + ... + 4862441.

It is an arithmetic number, because the mean of its divisors is an integer number (677170133640).

Almost surely, 2^{11212101132021} is an apocalyptic number.

It is an amenable number.

11212101132021 is a deficient number, since it is larger than the sum of its proper divisors (5039982075339).

11212101132021 is a wasteful number, since it uses less digits than its factorization.

11212101132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3759465 (or 3759462 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 11212101132021 its reverse (12023110121211), we get a palindrome (23235211253232).

The spelling of 11212101132021 in words is "eleven trillion, two hundred twelve billion, one hundred one million, one hundred thirty-two thousand, twenty-one".