10011222011 has 8 divisors (see below), whose sum is σ = 11635319040. Its totient is φ = 8435605608.

The previous prime is 10011221989. The next prime is 10011222043. The reversal of 10011222011 is 11022211001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10011222011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10011221983 and 10011222001.

It is not an unprimeable number, because it can be changed into a prime (10011222071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12119711 + ... + 12120536.

It is an arithmetic number, because the mean of its divisors is an integer number (1454414880).

Almost surely, 2^10011222011 is an apocalyptic number.

10011222011 is a deficient number, since it is larger than the sum of its proper divisors (1624097029).

10011222011 is an equidigital number, since it uses as much as digits as its factorization.

10011222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24240313.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10011222011 its reverse (11022211001), we get a palindrome (21033433012).

The spelling of 10011222011 in words is "ten billion, eleven million, two hundred twenty-two thousand, eleven".