220211122220011 has 4 divisors (see below), whose sum is σ = 237150439313872. Its totient is φ = 203271805126152.

The previous prime is 220211122219997. The next prime is 220211122220027. The reversal of 220211122220011 is 110022221112022.

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 220211122220011 - 2⁹ = 220211122219499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220211122220611) 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, 8469658546911 + ... + 8469658546936.

It is an arithmetic number, because the mean of its divisors is an integer number (59287609828468).

Almost surely, 2^{220211122220011} is an apocalyptic number.

220211122220011 is a deficient number, since it is larger than the sum of its proper divisors (16939317093861).

220211122220011 is a wasteful number, since it uses less digits than its factorization.

220211122220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16939317093860.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220211122220011 its reverse (110022221112022), we get a palindrome (330233343332033).

The spelling of 220211122220011 in words is "two hundred twenty trillion, two hundred eleven billion, one hundred twenty-two million, two hundred twenty thousand, eleven".