220021011102 has 16 divisors (see below), whose sum is σ = 442741668480. Its totient is φ = 72890395992.

The previous prime is 220021011073. The next prime is 220021011107. The reversal of 220021011102 is 201110120022.

220021011102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220021011107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112484202 + ... + 112486157.

It is an arithmetic number, because the mean of its divisors is an integer number (27671354280).

Almost surely, 2^220021011102 is an apocalyptic number.

220021011102 is an abundant number, since it is smaller than the sum of its proper divisors (222720657378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220021011102 is a wasteful number, since it uses less digits than its factorization.

220021011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224970527.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 220021011102 its reverse (201110120022), we get a palindrome (421131131124).

The spelling of 220021011102 in words is "two hundred twenty billion, twenty-one million, eleven thousand, one hundred two".