221111001210002 has 16 divisors (see below), whose sum is σ = 340595302291200. Its totient is φ = 107618654532480.

The previous prime is 221111001209993. The next prime is 221111001210017. The reversal of 221111001210002 is 200012100111122.

221111001210002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9855176927 + ... + 9855199362.

It is an arithmetic number, because the mean of its divisors is an integer number (21287206393200).

Almost surely, 2^{221111001210002} is an apocalyptic number.

221111001210002 is a deficient number, since it is larger than the sum of its proper divisors (119484301081198).

221111001210002 is a wasteful number, since it uses less digits than its factorization.

221111001210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19710376441.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 221111001210002 its reverse (200012100111122), we get a palindrome (421123101321124).

The spelling of 221111001210002 in words is "two hundred twenty-one trillion, one hundred eleven billion, one million, two hundred ten thousand, two".