122010220012021 has 64 divisors (see below), whose sum is σ = 144001619099136. Its totient is φ = 102143501107200.

The previous prime is 122010220012019. The next prime is 122010220012063. The reversal of 122010220012021 is 120210022010221.

It is a happy number.

It is not a de Polignac number, because 122010220012021 - 2¹ = 122010220012019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122010220011986 and 122010220012004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122010220042021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2885677401 + ... + 2885719681.

It is an arithmetic number, because the mean of its divisors is an integer number (2250025298424).

Almost surely, 2^{122010220012021} is an apocalyptic number.

122010220012021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122010220012021 is a deficient number, since it is larger than the sum of its proper divisors (21991399087115).

122010220012021 is a wasteful number, since it uses less digits than its factorization.

122010220012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44062.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122010220012021 its reverse (120210022010221), we get a palindrome (242220242022242).

The spelling of 122010220012021 in words is "one hundred twenty-two trillion, ten billion, two hundred twenty million, twelve thousand, twenty-one".