2221201015430 has 16 divisors (see below), whose sum is σ = 4005188484480. Its totient is φ = 886918926912.

The previous prime is 2221201015417. The next prime is 2221201015459. The reversal of 2221201015430 is 345101021222.

It is a junction number, because it is equal to n+sod(n) for n = 2221201015396 and 2221201015405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195178934 + ... + 195190313.

It is an arithmetic number, because the mean of its divisors is an integer number (250324280280).

Almost surely, 2^{2221201015430} is an apocalyptic number.

2221201015430 is a deficient number, since it is larger than the sum of its proper divisors (1783987469050).

2221201015430 is a wasteful number, since it uses less digits than its factorization.

2221201015430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390369823.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 2221201015430 its reverse (345101021222), we get a palindrome (2566302036652).

The spelling of 2221201015430 in words is "two trillion, two hundred twenty-one billion, two hundred one million, fifteen thousand, four hundred thirty".