222002021123 has 8 divisors (see below), whose sum is σ = 235121136480. Its totient is φ = 208889591680.

The previous prime is 222002021099. The next prime is 222002021141. The reversal of 222002021123 is 321120200222.

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

It is not a de Polignac number, because 222002021123 - 2¹⁶ = 222001955587 is a prime.

It is a super-2 number, since 2×222002021123² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222002021183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1603028 + ... + 1736001.

It is an arithmetic number, because the mean of its divisors is an integer number (29390142060).

Almost surely, 2^222002021123 is an apocalyptic number.

222002021123 is a deficient number, since it is larger than the sum of its proper divisors (13119115357).

222002021123 is a wasteful number, since it uses less digits than its factorization.

222002021123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342957.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 222002021123 its reverse (321120200222), we get a palindrome (543122221345).

The spelling of 222002021123 in words is "two hundred twenty-two billion, two million, twenty-one thousand, one hundred twenty-three".