22121310133130 has 16 divisors (see below), whose sum is σ = 42881308873704. Its totient is φ = 8167868356800.

The previous prime is 22121310133121. The next prime is 22121310133141. The reversal of 22121310133130 is 3133101312122.

It can be written as a sum of positive squares in 4 ways, for example, as 20302747304449 + 1818562828681 = 4505857^2 + 1348541^2 .

It is a super-2 number, since 2×22121310133130² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22121310133096 and 22121310133105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85081961921 + ... + 85081962180.

Almost surely, 2^{22121310133130} is an apocalyptic number.

22121310133130 is a deficient number, since it is larger than the sum of its proper divisors (20759998740574).

22121310133130 is a wasteful number, since it uses less digits than its factorization.

22121310133130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170163924121.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 22121310133130 its reverse (3133101312122), we get a palindrome (25254411445252).

The spelling of 22121310133130 in words is "twenty-two trillion, one hundred twenty-one billion, three hundred ten million, one hundred thirty-three thousand, one hundred thirty".