121222111022 has 8 divisors (see below), whose sum is σ = 181852761096. Its totient is φ = 60604523992.

The previous prime is 121222111019. The next prime is 121222111039. The reversal of 121222111022 is 220111222121.

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

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, 3242528 + ... + 3279699.

It is an arithmetic number, because the mean of its divisors is an integer number (22731595137).

Almost surely, 2^121222111022 is an apocalyptic number.

121222111022 is a deficient number, since it is larger than the sum of its proper divisors (60630650074).

121222111022 is an equidigital number, since it uses as much as digits as its factorization.

121222111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6531522.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121222111022 its reverse (220111222121), we get a palindrome (341333333143).

The spelling of 121222111022 in words is "one hundred twenty-one billion, two hundred twenty-two million, one hundred eleven thousand, twenty-two".