220122002131331 has 8 divisors (see below), whose sum is σ = 229695915534624. Its totient is φ = 210548371359040.

The previous prime is 220122002131309. The next prime is 220122002131337. The reversal of 220122002131331 is 133131200221022.

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

It is a cyclic number.

It is not a de Polignac number, because 220122002131331 - 2⁶ = 220122002131267 is a prime.

It is a super-2 number, since 2×220122002131331² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 220122002131297 and 220122002131306.

It is not an unprimeable number, because it can be changed into a prime (220122002131337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69065450 + ... + 72182271.

It is an arithmetic number, because the mean of its divisors is an integer number (28711989441828).

Almost surely, 2^{220122002131331} is an apocalyptic number.

220122002131331 is a deficient number, since it is larger than the sum of its proper divisors (9573913403293).

220122002131331 is a wasteful number, since it uses less digits than its factorization.

220122002131331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141315501.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 220122002131331 its reverse (133131200221022), we get a palindrome (353253202352353).

The spelling of 220122002131331 in words is "two hundred twenty trillion, one hundred twenty-two billion, two million, one hundred thirty-one thousand, three hundred thirty-one".