2220121033331 has 8 divisors (see below), whose sum is σ = 2228605260000. Its totient is φ = 2211648937920.

The previous prime is 2220121033321. The next prime is 2220121033369. The reversal of 2220121033331 is 1333301210222.

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 2220121033331 - 2¹⁴ = 2220121016947 is a prime.

It is a super-2 number, since 2×2220121033331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220121033297 and 2220121033306.

It is not an unprimeable number, because it can be changed into a prime (2220121033321) 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, 2666015 + ... + 3398216.

It is an arithmetic number, because the mean of its divisors is an integer number (278575657500).

Almost surely, 2^{2220121033331} is an apocalyptic number.

2220121033331 is a deficient number, since it is larger than the sum of its proper divisors (8484226669).

2220121033331 is a wasteful number, since it uses less digits than its factorization.

2220121033331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6065629.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2220121033331 its reverse (1333301210222), we get a palindrome (3553422243553).

The spelling of 2220121033331 in words is "two trillion, two hundred twenty billion, one hundred twenty-one million, thirty-three thousand, three hundred thirty-one".