122110000221 has 16 divisors (see below), whose sum is σ = 181745118720. Its totient is φ = 72284988720.

The previous prime is 122110000219. The next prime is 122110000231. The reversal of 122110000221 is 122000011221.

It is not a de Polignac number, because 122110000221 - 2¹ = 122110000219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122110000197 and 122110000206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122110000211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43025361 + ... + 43028198.

It is an arithmetic number, because the mean of its divisors is an integer number (11359069920).

Almost surely, 2^122110000221 is an apocalyptic number.

122110000221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122110000221 is a deficient number, since it is larger than the sum of its proper divisors (59635118499).

122110000221 is a wasteful number, since it uses less digits than its factorization.

122110000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86053616.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122110000221 its reverse (122000011221), we get a palindrome (244110011442).

The spelling of 122110000221 in words is "one hundred twenty-two billion, one hundred ten million, two hundred twenty-one", and thus it is an aban number.