222011121123 has 48 divisors (see below), whose sum is σ = 350836462080. Its totient is φ = 134167910400.

The previous prime is 222011121107. The next prime is 222011121133. The reversal of 222011121123 is 321121110222.

It is not a de Polignac number, because 222011121123 - 2⁴ = 222011121107 is a prime.

It is a super-2 number, since 2×222011121123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222011121096 and 222011121105.

It is not an unprimeable number, because it can be changed into a prime (222011121133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62378418 + ... + 62381976.

It is an arithmetic number, because the mean of its divisors is an integer number (7309092960).

Almost surely, 2^222011121123 is an apocalyptic number.

222011121123 is a deficient number, since it is larger than the sum of its proper divisors (128825340957).

222011121123 is a wasteful number, since it uses less digits than its factorization.

222011121123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5200 (or 5197 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 222011121123 its reverse (321121110222), we get a palindrome (543132231345).

The spelling of 222011121123 in words is "two hundred twenty-two billion, eleven million, one hundred twenty-one thousand, one hundred twenty-three".