121111022012222 has 8 divisors (see below), whose sum is σ = 198181672383672. Its totient is φ = 55050464551000.

The previous prime is 121111022012207. The next prime is 121111022012243. The reversal of 121111022012222 is 222210220111121.

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 = 121111022012194 and 121111022012203.

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, 2752523227529 + ... + 2752523227572.

It is an arithmetic number, because the mean of its divisors is an integer number (24772709047959).

Almost surely, 2^{121111022012222} is an apocalyptic number.

121111022012222 is a deficient number, since it is larger than the sum of its proper divisors (77070650371450).

121111022012222 is a wasteful number, since it uses less digits than its factorization.

121111022012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505046455114.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 121111022012222 its reverse (222210220111121), we get a palindrome (343321242123343).

The spelling of 121111022012222 in words is "one hundred twenty-one trillion, one hundred eleven billion, twenty-two million, twelve thousand, two hundred twenty-two".