220011012311 has 4 divisors (see below), whose sum is σ = 220761903432. Its totient is φ = 219260121192.

The previous prime is 220011012269. The next prime is 220011012329. The reversal of 220011012311 is 113210110022.

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 220011012311 - 2¹⁰ = 220011011287 is a prime.

It is a super-2 number, since 2×220011012311² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220011012211) 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, 375445121 + ... + 375445706.

It is an arithmetic number, because the mean of its divisors is an integer number (55190475858).

Almost surely, 2^220011012311 is an apocalyptic number.

220011012311 is a deficient number, since it is larger than the sum of its proper divisors (750891121).

220011012311 is an equidigital number, since it uses as much as digits as its factorization.

220011012311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750891120.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 220011012311 its reverse (113210110022), we get a palindrome (333221122333).

The spelling of 220011012311 in words is "two hundred twenty billion, eleven million, twelve thousand, three hundred eleven".