220202111011 has 4 divisors (see below), whose sum is σ = 221786299000. Its totient is φ = 218617923024.

The previous prime is 220202111009. The next prime is 220202111027. The reversal of 220202111011 is 110111202022.

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 220202111011 - 2¹ = 220202111009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220202110982 and 220202111000.

It is not an unprimeable number, because it can be changed into a prime (220200111011) 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, 792093786 + ... + 792094063.

It is an arithmetic number, because the mean of its divisors is an integer number (55446574750).

Almost surely, 2^220202111011 is an apocalyptic number.

220202111011 is a deficient number, since it is larger than the sum of its proper divisors (1584187989).

220202111011 is a wasteful number, since it uses less digits than its factorization.

220202111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584187988.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 220202111011 its reverse (110111202022), we get a palindrome (330313313033).

The spelling of 220202111011 in words is "two hundred twenty billion, two hundred two million, one hundred eleven thousand, eleven".