121220000222 has 8 divisors (see below), whose sum is σ = 183630297672. Its totient is φ = 60009901000.

The previous prime is 121220000179. The next prime is 121220000263. The reversal of 121220000222 is 222000022121.

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 = 121220000197 and 121220000206.

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, 300049304 + ... + 300049707.

It is an arithmetic number, because the mean of its divisors is an integer number (22953787209).

Almost surely, 2^121220000222 is an apocalyptic number.

121220000222 is a deficient number, since it is larger than the sum of its proper divisors (62410297450).

121220000222 is a wasteful number, since it uses less digits than its factorization.

121220000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600099114.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 121220000222 its reverse (222000022121), we get a palindrome (343220022343).

The spelling of 121220000222 in words is "one hundred twenty-one billion, two hundred twenty million, two hundred twenty-two", and thus it is an aban number.