2220021011123 has 8 divisors (see below), whose sum is σ = 2230601727120. Its totient is φ = 2209440854880.

The previous prime is 2220021011113. The next prime is 2220021011149. The reversal of 2220021011123 is 3211101200222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2220021011123 - 2²⁶ = 2219953902259 is a prime.

It is a super-2 number, since 2×2220021011123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220021011113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9334733 + ... + 9569601.

It is an arithmetic number, because the mean of its divisors is an integer number (278825215890).

Almost surely, 2^{2220021011123} is an apocalyptic number.

2220021011123 is a deficient number, since it is larger than the sum of its proper divisors (10580715997).

2220021011123 is a wasteful number, since it uses less digits than its factorization.

2220021011123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279877.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2220021011123 its reverse (3211101200222), we get a palindrome (5431122211345).

The spelling of 2220021011123 in words is "two trillion, two hundred twenty billion, twenty-one million, eleven thousand, one hundred twenty-three".