11112020012211 has 4 divisors (see below), whose sum is σ = 14816026682952. Its totient is φ = 7408013341472.

The previous prime is 11112020012209. The next prime is 11112020012273. The reversal of 11112020012211 is 11221002021111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11112020012211 - 2¹ = 11112020012209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11112020002211) 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 3 ways as a sum of consecutive naturals, for example, 1852003335366 + ... + 1852003335371.

It is an arithmetic number, because the mean of its divisors is an integer number (3704006670738).

Almost surely, 2^{11112020012211} is an apocalyptic number.

11112020012211 is a deficient number, since it is larger than the sum of its proper divisors (3704006670741).

11112020012211 is an equidigital number, since it uses as much as digits as its factorization.

11112020012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704006670740.

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

Adding to 11112020012211 its reverse (11221002021111), we get a palindrome (22333022033322).

The spelling of 11112020012211 in words is "eleven trillion, one hundred twelve billion, twenty million, twelve thousand, two hundred eleven".