222121001122 has 16 divisors (see below), whose sum is σ = 337564543680. Its totient is φ = 109606847472.

The previous prime is 222121001119. The next prime is 222121001153. The reversal of 222121001122 is 221100121222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222121001096 and 222121001105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1779672 + ... + 1900387.

It is an arithmetic number, because the mean of its divisors is an integer number (21097783980).

Almost surely, 2^222121001122 is an apocalyptic number.

222121001122 is a deficient number, since it is larger than the sum of its proper divisors (115443542558).

222121001122 is a wasteful number, since it uses less digits than its factorization.

222121001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3680457.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222121001122 its reverse (221100121222), we get a palindrome (443221122344).

The spelling of 222121001122 in words is "two hundred twenty-two billion, one hundred twenty-one million, one thousand, one hundred twenty-two".