11212010220011 has 4 divisors (see below), whose sum is σ = 11212093035792. Its totient is φ = 11211927404232.

The previous prime is 11212010219989. The next prime is 11212010220013. The reversal of 11212010220011 is 11002201021211.

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 11212010220011 - 2⁶ = 11212010219947 is a prime.

It is a super-2 number, since 2×11212010220011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11212010220013) 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, 41204480 + ... + 41475693.

It is an arithmetic number, because the mean of its divisors is an integer number (2803023258948).

Almost surely, 2^{11212010220011} is an apocalyptic number.

11212010220011 is a deficient number, since it is larger than the sum of its proper divisors (82815781).

11212010220011 is an equidigital number, since it uses as much as digits as its factorization.

11212010220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82815780.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11212010220011 its reverse (11002201021211), we get a palindrome (22214211241222).

The spelling of 11212010220011 in words is "eleven trillion, two hundred twelve billion, ten million, two hundred twenty thousand, eleven".