220022021021121 has 64 divisors (see below), whose sum is σ = 357759282585600. Its totient is φ = 132533801337600.

The previous prime is 220022021021087. The next prime is 220022021021129. The reversal of 220022021021121 is 121120120220022.

It is a happy number.

220022021021121 is a `hidden beast` number, since 2 + 2 + 0 + 0 + 220 + 210 + 211 + 21 = 666.

It is not a de Polignac number, because 220022021021121 - 2⁶ = 220022021021057 is a prime.

It is a super-2 number, since 2×220022021021121² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220022021021094 and 220022021021103.

It is not an unprimeable number, because it can be changed into a prime (220022021021129) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 465548025 + ... + 466020393.

It is an arithmetic number, because the mean of its divisors is an integer number (5589988790400).

Almost surely, 2^{220022021021121} is an apocalyptic number.

It is an amenable number.

220022021021121 is a deficient number, since it is larger than the sum of its proper divisors (137737261564479).

220022021021121 is a wasteful number, since it uses less digits than its factorization.

220022021021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481947 (or 481941 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220022021021121 its reverse (121120120220022), we get a palindrome (341142141241143).

The spelling of 220022021021121 in words is "two hundred twenty trillion, twenty-two billion, twenty-one million, twenty-one thousand, one hundred twenty-one".