210000222011 has 4 divisors (see below), whose sum is σ = 210001242792. Its totient is φ = 209999201232.

The previous prime is 210000221941. The next prime is 210000222013. The reversal of 210000222011 is 110222000012.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 210000222011 - 2²² = 209996027707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210000221983 and 210000222001.

It is not an unprimeable number, because it can be changed into a prime (210000222013) 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, 81881 + ... + 653226.

It is an arithmetic number, because the mean of its divisors is an integer number (52500310698).

Almost surely, 2^210000222011 is an apocalyptic number.

210000222011 is a deficient number, since it is larger than the sum of its proper divisors (1020781).

210000222011 is an equidigital number, since it uses as much as digits as its factorization.

210000222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020780.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 210000222011 its reverse (110222000012), we get a palindrome (320222222023).

The spelling of 210000222011 in words is "two hundred ten billion, two hundred twenty-two thousand, eleven".