222130320020021 has 8 divisors (see below), whose sum is σ = 253863318097920. Its totient is φ = 190397345746608.

The previous prime is 222130320020017. The next prime is 222130320020101. The reversal of 222130320020021 is 120020023031222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222130320020021 - 2² = 222130320020017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222130320019975 and 222130320020002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222130320020321) 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 7 ways as a sum of consecutive naturals, for example, 24289100 + ... + 32159306.

It is an arithmetic number, because the mean of its divisors is an integer number (31732914762240).

Almost surely, 2^{222130320020021} is an apocalyptic number.

It is an amenable number.

222130320020021 is a deficient number, since it is larger than the sum of its proper divisors (31732998077899).

222130320020021 is an equidigital number, since it uses as much as digits as its factorization.

222130320020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11902243.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 222130320020021 its reverse (120020023031222), we get a palindrome (342150343051243).

The spelling of 222130320020021 in words is "two hundred twenty-two trillion, one hundred thirty billion, three hundred twenty million, twenty thousand, twenty-one".