222101002123 has 64 divisors (see below), whose sum is σ = 301567279104. Its totient is φ = 157956480000.

The previous prime is 222101002121. The next prime is 222101002129. The reversal of 222101002123 is 321200101222.

It is a happy number.

222101002123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222101002123 - 2¹ = 222101002121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222101002097 and 222101002106.

It is not an unprimeable number, because it can be changed into a prime (222101002121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 133553590 + ... + 133555252.

It is an arithmetic number, because the mean of its divisors is an integer number (4711988736).

Almost surely, 2^222101002123 is an apocalyptic number.

222101002123 is a deficient number, since it is larger than the sum of its proper divisors (79466276981).

222101002123 is a wasteful number, since it uses less digits than its factorization.

222101002123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 222101002123 its reverse (321200101222), we get a palindrome (543301103345).

Subtracting 222101002123 from its reverse (321200101222), we obtain a palindrome (99099099099).

The spelling of 222101002123 in words is "two hundred twenty-two billion, one hundred one million, two thousand, one hundred twenty-three".