122221010012021 has 8 divisors (see below), whose sum is σ = 125352189029760. Its totient is φ = 119102959628352.

The previous prime is 122221010011999. The next prime is 122221010012083. The reversal of 122221010012021 is 120210010122221.

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

It is a cyclic number.

It is not a de Polignac number, because 122221010012021 - 2¹⁰ = 122221010010997 is a prime.

It is a super-3 number, since 3×122221010012021³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221010012921) 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, 3282139661 + ... + 3282176898.

It is an arithmetic number, because the mean of its divisors is an integer number (15669023628720).

Almost surely, 2^{122221010012021} is an apocalyptic number.

It is an amenable number.

122221010012021 is a deficient number, since it is larger than the sum of its proper divisors (3131179017739).

122221010012021 is an equidigital number, since it uses as much as digits as its factorization.

122221010012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6564317035.

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

Adding to 122221010012021 its reverse (120210010122221), we get a palindrome (242431020134242).

The spelling of 122221010012021 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, ten million, twelve thousand, twenty-one".