11122010212021 has 4 divisors (see below), whose sum is σ = 11236670111212. Its totient is φ = 11007350312832.

The previous prime is 11122010212009. The next prime is 11122010212063. The reversal of 11122010212021 is 12021201022111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4841698548996 + 6280311663025 = 2200386^2 + 2506055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11122010212021 is a prime.

It is a super-2 number, since 2×11122010212021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11122010211986 and 11122010212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122010212081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57329949450 + ... + 57329949643.

It is an arithmetic number, because the mean of its divisors is an integer number (2809167527803).

Almost surely, 2^{11122010212021} is an apocalyptic number.

It is an amenable number.

11122010212021 is a deficient number, since it is larger than the sum of its proper divisors (114659899191).

11122010212021 is an equidigital number, since it uses as much as digits as its factorization.

11122010212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114659899190.

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

Adding to 11122010212021 its reverse (12021201022111), we get a palindrome (23143211234132).

The spelling of 11122010212021 in words is "eleven trillion, one hundred twenty-two billion, ten million, two hundred twelve thousand, twenty-one".