11202220212021 has 24 divisors (see below), whose sum is σ = 16641422104320. Its totient is φ = 7256198720736.

The previous prime is 11202220212019. The next prime is 11202220212059. The reversal of 11202220212021 is 12021202220211.

It is a happy number.

11202220212021 is a `hidden beast` number, since 11 + 202 + 220 + 212 + 0 + 21 = 666.

11202220212021 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 11202220212021 - 2¹ = 11202220212019 is a prime.

It is a super-2 number, since 2×11202220212021² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11202220211985 and 11202220212003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202220213021) 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, 23154385 + ... + 23633238.

It is an arithmetic number, because the mean of its divisors is an integer number (693392587680).

Almost surely, 2^{11202220212021} is an apocalyptic number.

It is an amenable number.

11202220212021 is a deficient number, since it is larger than the sum of its proper divisors (5439201892299).

11202220212021 is a wasteful number, since it uses less digits than its factorization.

11202220212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46788385 (or 46788382 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11202220212021 its reverse (12021202220211), we get a palindrome (23223422432232).

The spelling of 11202220212021 in words is "eleven trillion, two hundred two billion, two hundred twenty million, two hundred twelve thousand, twenty-one".