220102022011 has 4 divisors (see below), whose sum is σ = 220121557992. Its totient is φ = 220082486032.

The previous prime is 220102021933. The next prime is 220102022027. The reversal of 220102022011 is 110220201022.

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 220102022011 - 2¹³ = 220102013819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220102021982 and 220102022000.

It is not an unprimeable number, because it can be changed into a prime (220102022081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9751081 + ... + 9773626.

It is an arithmetic number, because the mean of its divisors is an integer number (55030389498).

Almost surely, 2^220102022011 is an apocalyptic number.

220102022011 is a deficient number, since it is larger than the sum of its proper divisors (19535981).

220102022011 is a wasteful number, since it uses less digits than its factorization.

220102022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19535980.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220102022011 its reverse (110220201022), we get a palindrome (330322223033).

The spelling of 220102022011 in words is "two hundred twenty billion, one hundred two million, twenty-two thousand, eleven".