222210121124 has 24 divisors (see below), whose sum is σ = 396410458080. Its totient is φ = 108964601856.

The previous prime is 222210121123. The next prime is 222210121157. The reversal of 222210121124 is 421121012222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222210121096 and 222210121105.

It is not an unprimeable number, because it can be changed into a prime (222210121123) 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, 1765469 + ... + 1887140.

It is an arithmetic number, because the mean of its divisors is an integer number (16517102420).

Almost surely, 2^222210121124 is an apocalyptic number.

It is an amenable number.

222210121124 is a deficient number, since it is larger than the sum of its proper divisors (174200336956).

222210121124 is a wasteful number, since it uses less digits than its factorization.

222210121124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3652907 (or 3652905 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222210121124 its reverse (421121012222), we get a palindrome (643331133346).

The spelling of 222210121124 in words is "two hundred twenty-two billion, two hundred ten million, one hundred twenty-one thousand, one hundred twenty-four".