2221212210002 has 8 divisors (see below), whose sum is σ = 3331967971836. Its totient is φ = 1110556219392.

The previous prime is 2221212209977. The next prime is 2221212210011. The reversal of 2221212210002 is 2000122121222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2221199756161 + 12453841 = 1490369^2 + 3529^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24887123 + ... + 24976214.

Almost surely, 2^{2221212210002} is an apocalyptic number.

2221212210002 is a deficient number, since it is larger than the sum of its proper divisors (1110755761834).

2221212210002 is a wasteful number, since it uses less digits than its factorization.

2221212210002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49885612.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2221212210002 its reverse (2000122121222), we get a palindrome (4221334331224).

The spelling of 2221212210002 in words is "two trillion, two hundred twenty-one billion, two hundred twelve million, two hundred ten thousand, two".