222121110010004 has 12 divisors (see below), whose sum is σ = 389597391136800. Its totient is φ = 110807569685208.

The previous prime is 222121110009977. The next prime is 222121110010027. The reversal of 222121110010004 is 400010011121222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63246327974 + ... + 63246331485.

It is an arithmetic number, because the mean of its divisors is an integer number (32466449261400).

Almost surely, 2^{222121110010004} is an apocalyptic number.

It is an amenable number.

222121110010004 is a deficient number, since it is larger than the sum of its proper divisors (167476281126796).

222121110010004 is a wasteful number, since it uses less digits than its factorization.

222121110010004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126492659902 (or 126492659900 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222121110010004 its reverse (400010011121222), we get a palindrome (622131121131226).

The spelling of 222121110010004 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, one hundred ten million, ten thousand, four".