2121212222130 has 16 divisors (see below), whose sum is σ = 5090909333184. Its totient is φ = 565656592560.

The previous prime is 2121212222111. The next prime is 2121212222149. The reversal of 2121212222130 is 312222121212.

It is an interprime number because it is at equal distance from previous prime (2121212222111) and next prime (2121212222149).

It is a super-3 number, since 3×2121212222130³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2121212222097 and 2121212222106.

It is an unprimeable number.

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, 35353537006 + ... + 35353537065.

It is an arithmetic number, because the mean of its divisors is an integer number (318181833324).

Almost surely, 2^{2121212222130} is an apocalyptic number.

2121212222130 is an abundant number, since it is smaller than the sum of its proper divisors (2969697111054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121212222130 is a wasteful number, since it uses less digits than its factorization.

2121212222130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70707074081.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2121212222130 its reverse (312222121212), we get a palindrome (2433434343342).

The spelling of 2121212222130 in words is "two trillion, one hundred twenty-one billion, two hundred twelve million, two hundred twenty-two thousand, one hundred thirty".