2221202123010 has 48 divisors (see below), whose sum is σ = 6219365947704. Its totient is φ = 546757445376.

The previous prime is 2221202123009. The next prime is 2221202123029. The reversal of 2221202123010 is 103212021222.

2221202123010 is a `hidden beast` number, since 2 + 221 + 202 + 1 + 230 + 10 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1922584684329 + 298617438681 = 1386573^2 + 546459^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 949230507 + ... + 949232846.

Almost surely, 2^{2221202123010} is an apocalyptic number.

2221202123010 is an abundant number, since it is smaller than the sum of its proper divisors (3998163824694).

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

2221202123010 is a wasteful number, since it uses less digits than its factorization.

2221202123010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898463379 (or 1898463376 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2221202123010 its reverse (103212021222), we get a palindrome (2324414144232).

The spelling of 2221202123010 in words is "two trillion, two hundred twenty-one billion, two hundred two million, one hundred twenty-three thousand, ten".