220010001111021 has 16 divisors (see below), whose sum is σ = 331049531453760. Its totient is φ = 128741484453120.

The previous prime is 220010001111011. The next prime is 220010001111049. The reversal of 220010001111021 is 120111100010022.

It is not a de Polignac number, because 220010001111021 - 2⁵ = 220010001110989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220010001110988 and 220010001111006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220010001111011) 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, 114947753020 + ... + 114947754933.

It is an arithmetic number, because the mean of its divisors is an integer number (20690595715860).

Almost surely, 2^{220010001111021} is an apocalyptic number.

It is an amenable number.

220010001111021 is a deficient number, since it is larger than the sum of its proper divisors (111039530342739).

220010001111021 is a wasteful number, since it uses less digits than its factorization.

220010001111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229895507996.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 220010001111021 its reverse (120111100010022), we get a palindrome (340121101121043).

It can be divided in two parts, 220010001 and 111021, that added together give a palindrome (220121022).

The spelling of 220010001111021 in words is "two hundred twenty trillion, ten billion, one million, one hundred eleven thousand, twenty-one".