11022100121011 has 4 divisors (see below), whose sum is σ = 12596685852592. Its totient is φ = 9447514389432.

The previous prime is 11022100120987. The next prime is 11022100121023. The reversal of 11022100121011 is 11012100122011.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-11022100121011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11022100120982 and 11022100121000.

It is not an unprimeable number, because it can be changed into a prime (11022100121911) 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, 787292865780 + ... + 787292865793.

It is an arithmetic number, because the mean of its divisors is an integer number (3149171463148).

Almost surely, 2^{11022100121011} is an apocalyptic number.

11022100121011 is a deficient number, since it is larger than the sum of its proper divisors (1574585731581).

11022100121011 is an equidigital number, since it uses as much as digits as its factorization.

11022100121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574585731580.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11022100121011 its reverse (11012100122011), we get a palindrome (22034200243022).

The spelling of 11022100121011 in words is "eleven trillion, twenty-two billion, one hundred million, one hundred twenty-one thousand, eleven".