122221213011121 has 8 divisors (see below), whose sum is σ = 139681474994304. Its totient is φ = 104760973201920.

The previous prime is 122221213011097. The next prime is 122221213011137. The reversal of 122221213011121 is 121110312122221.

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

It is not a de Polignac number, because 122221213011121 - 2¹⁵ = 122221212978353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122221213011092 and 122221213011101.

It is not an unprimeable number, because it can be changed into a prime (122221213611121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8711556 + ... + 17897866.

It is an arithmetic number, because the mean of its divisors is an integer number (17460184374288).

Almost surely, 2^{122221213011121} is an apocalyptic number.

It is an amenable number.

122221213011121 is a deficient number, since it is larger than the sum of its proper divisors (17460261983183).

122221213011121 is an equidigital number, since it uses as much as digits as its factorization.

122221213011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11086991.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 122221213011121 its reverse (121110312122221), we get a palindrome (243331525133342).

The spelling of 122221213011121 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, two hundred thirteen million, eleven thousand, one hundred twenty-one".