221112012002 has 64 divisors (see below), whose sum is σ = 407818540800. Its totient is φ = 87901390080.

The previous prime is 221112011987. The next prime is 221112012013. The reversal of 221112012002 is 200210211122.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 961124 + ... + 1168752.

It is an arithmetic number, because the mean of its divisors is an integer number (6372164700).

Almost surely, 2^221112012002 is an apocalyptic number.

221112012002 is a deficient number, since it is larger than the sum of its proper divisors (186706528798).

221112012002 is a wasteful number, since it uses less digits than its factorization.

221112012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207771.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221112012002 its reverse (200210211122), we get a palindrome (421322223124).

The spelling of 221112012002 in words is "two hundred twenty-one billion, one hundred twelve million, twelve thousand, two".