2213121302130 has 64 divisors (see below), whose sum is σ = 5543147520000. Its totient is φ = 564432766656.

The previous prime is 2213121302083. The next prime is 2213121302173. The reversal of 2213121302130 is 312031213122.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2213121302097 and 2213121302106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5192871 + ... + 5602869.

It is an arithmetic number, because the mean of its divisors is an integer number (86611680000).

Almost surely, 2^{2213121302130} is an apocalyptic number.

2213121302130 is an abundant number, since it is smaller than the sum of its proper divisors (3330026217870).

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

2213121302130 is a wasteful number, since it uses less digits than its factorization.

2213121302130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417855.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2213121302130 its reverse (312031213122), we get a palindrome (2525152515252).

The spelling of 2213121302130 in words is "two trillion, two hundred thirteen billion, one hundred twenty-one million, three hundred two thousand, one hundred thirty".