220102011011 has 4 divisors (see below), whose sum is σ = 231686327400. Its totient is φ = 208517694624.

The previous prime is 220102011007. The next prime is 220102011061. The reversal of 220102011011 is 110110201022.

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 220102011011 - 2² = 220102011007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220102010983 and 220102011001.

It is not an unprimeable number, because it can be changed into a prime (220102011061) 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, 5792158166 + ... + 5792158203.

It is an arithmetic number, because the mean of its divisors is an integer number (57921581850).

Almost surely, 2^220102011011 is an apocalyptic number.

220102011011 is a deficient number, since it is larger than the sum of its proper divisors (11584316389).

220102011011 is a wasteful number, since it uses less digits than its factorization.

220102011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11584316388.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 220102011011 its reverse (110110201022), we get a palindrome (330212212033).

The spelling of 220102011011 in words is "two hundred twenty billion, one hundred two million, eleven thousand, eleven".