220011210231 has 16 divisors (see below), whose sum is σ = 293580080640. Its totient is φ = 146558296640.

The previous prime is 220011210179. The next prime is 220011210233. The reversal of 220011210231 is 132012110022.

It is a cyclic number.

It is not a de Polignac number, because 220011210231 - 2¹⁴ = 220011193847 is a prime.

It is a super-2 number, since 2×220011210231² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220011210231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220011210233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26921776 + ... + 26929946.

It is an arithmetic number, because the mean of its divisors is an integer number (18348755040).

Almost surely, 2^220011210231 is an apocalyptic number.

220011210231 is a deficient number, since it is larger than the sum of its proper divisors (73568870409).

220011210231 is a wasteful number, since it uses less digits than its factorization.

220011210231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14166.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 220011210231 its reverse (132012110022), we get a palindrome (352023320253).

The spelling of 220011210231 in words is "two hundred twenty billion, eleven million, two hundred ten thousand, two hundred thirty-one".