121002022222 has 8 divisors (see below), whose sum is σ = 181531857672. Its totient is φ = 60491403000.

The previous prime is 121002022171. The next prime is 121002022261. The reversal of 121002022222 is 222220200121.

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

It is a junction number, because it is equal to n+sod(n) for n = 121002022196 and 121002022205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4788304 + ... + 4813507.

It is an arithmetic number, because the mean of its divisors is an integer number (22691482209).

Almost surely, 2^121002022222 is an apocalyptic number.

121002022222 is a deficient number, since it is larger than the sum of its proper divisors (60529835450).

121002022222 is an equidigital number, since it uses as much as digits as its factorization.

121002022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9608114.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 121002022222 its reverse (222220200121), we get a palindrome (343222222343).

The spelling of 121002022222 in words is "one hundred twenty-one billion, two million, twenty-two thousand, two hundred twenty-two".