2220001322123 has 16 divisors (see below), whose sum is σ = 2419707494400. Its totient is φ = 2024431687584.

The previous prime is 2220001322107. The next prime is 2220001322153. The reversal of 2220001322123 is 3212231000222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2220001322123 - 2⁴ = 2220001322107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220001322095 and 2220001322104.

It is not an unprimeable number, because it can be changed into a prime (2220001322153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24732278 + ... + 24821876.

It is an arithmetic number, because the mean of its divisors is an integer number (151231718400).

Almost surely, 2^{2220001322123} is an apocalyptic number.

2220001322123 is a deficient number, since it is larger than the sum of its proper divisors (199706172277).

2220001322123 is a wasteful number, since it uses less digits than its factorization.

2220001322123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112658.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2220001322123 its reverse (3212231000222), we get a palindrome (5432232322345).

The spelling of 2220001322123 in words is "two trillion, two hundred twenty billion, one million, three hundred twenty-two thousand, one hundred twenty-three".