220100202311 has 4 divisors (see below), whose sum is σ = 240109311624. Its totient is φ = 200091093000.

The previous prime is 220100202271. The next prime is 220100202341. The reversal of 220100202311 is 113202001022.

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 220100202311 - 2⁶ = 220100202247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220100202341) 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, 10004554640 + ... + 10004554661.

It is an arithmetic number, because the mean of its divisors is an integer number (60027327906).

Almost surely, 2^220100202311 is an apocalyptic number.

220100202311 is a deficient number, since it is larger than the sum of its proper divisors (20009109313).

220100202311 is a wasteful number, since it uses less digits than its factorization.

220100202311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20009109312.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 220100202311 its reverse (113202001022), we get a palindrome (333302203333).

The spelling of 220100202311 in words is "two hundred twenty billion, one hundred million, two hundred two thousand, three hundred eleven".