11210120012011 has 4 divisors (see below), whose sum is σ = 11571736786624. Its totient is φ = 10848503237400.

The previous prime is 11210120011939. The next prime is 11210120012083. The reversal of 11210120012011 is 11021002101211.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (11210120011939) and next prime (11210120012083).

It is a cyclic number.

It is not a de Polignac number, because 11210120012011 - 2³⁹ = 10660364198123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11210120011982 and 11210120012000.

It is not an unprimeable number, because it can be changed into a prime (11210120022011) 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, 180808387260 + ... + 180808387321.

It is an arithmetic number, because the mean of its divisors is an integer number (2892934196656).

Almost surely, 2^{11210120012011} is an apocalyptic number.

11210120012011 is a deficient number, since it is larger than the sum of its proper divisors (361616774613).

11210120012011 is an equidigital number, since it uses as much as digits as its factorization.

11210120012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361616774612.

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

Adding to 11210120012011 its reverse (11021002101211), we get a palindrome (22231122113222).

The spelling of 11210120012011 in words is "eleven trillion, two hundred ten billion, one hundred twenty million, twelve thousand, eleven".