201223200222011 has 16 divisors (see below), whose sum is σ = 219633526176768. Its totient is φ = 182832439072800.

The previous prime is 201223200222001. The next prime is 201223200222029. The reversal of 201223200222011 is 110222002322102.

It is a de Polignac number, because none of the positive numbers 2^k-201223200222011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201223200222001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304127396 + ... + 304788318.

It is an arithmetic number, because the mean of its divisors is an integer number (13727095386048).

Almost surely, 2^{201223200222011} is an apocalyptic number.

201223200222011 is a deficient number, since it is larger than the sum of its proper divisors (18410325954757).

201223200222011 is a wasteful number, since it uses less digits than its factorization.

201223200222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675682.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 201223200222011 its reverse (110222002322102), we get a palindrome (311445202544113).

The spelling of 201223200222011 in words is "two hundred one trillion, two hundred twenty-three billion, two hundred million, two hundred twenty-two thousand, eleven".