2221112012002 has 8 divisors (see below), whose sum is σ = 3587950173276. Its totient is φ = 1025128620912.

The previous prime is 2221112011997. The next prime is 2221112012027. The reversal of 2221112012002 is 2002102111222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2012684153481 + 208427858521 = 1418691^2 + 456539^2 .

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, 42713692513 + ... + 42713692564.

Almost surely, 2^{2221112012002} is an apocalyptic number.

2221112012002 is a deficient number, since it is larger than the sum of its proper divisors (1366838161274).

2221112012002 is a wasteful number, since it uses less digits than its factorization.

2221112012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85427385092.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2221112012002 its reverse (2002102111222), we get a palindrome (4223214123224).

The spelling of 2221112012002 in words is "two trillion, two hundred twenty-one billion, one hundred twelve million, twelve thousand, two".