2112210011011 has 4 divisors (see below), whose sum is σ = 2112231845224. Its totient is φ = 2112188176800.

The previous prime is 2112210010997. The next prime is 2112210011027. The reversal of 2112210011011 is 1101100122112.

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 2112210011011 - 2⁵ = 2112210010979 is a prime.

It is a super-2 number, since 2×2112210011011² (a number of 25 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 = 2112210010982 and 2112210011000.

It is not an unprimeable number, because it can be changed into a prime (2112210011911) 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, 10771350 + ... + 10965691.

It is an arithmetic number, because the mean of its divisors is an integer number (528057961306).

Almost surely, 2^{2112210011011} is an apocalyptic number.

2112210011011 is a deficient number, since it is larger than the sum of its proper divisors (21834213).

2112210011011 is an equidigital number, since it uses as much as digits as its factorization.

2112210011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21834212.

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

Adding to 2112210011011 its reverse (1101100122112), we get a palindrome (3213310133123).

The spelling of 2112210011011 in words is "two trillion, one hundred twelve billion, two hundred ten million, eleven thousand, eleven".