210122221000120 has 96 divisors (see below), whose sum is σ = 558479771021520. Its totient is φ = 70530535695360.

The previous prime is 210122221000099. The next prime is 210122221000157. The reversal of 210122221000120 is 21000122221012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210122221000094 and 210122221000103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1412796949 + ... + 1412945668.

Almost surely, 2^{210122221000120} is an apocalyptic number.

210122221000120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210122221000120 is an abundant number, since it is smaller than the sum of its proper divisors (348357550021400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210122221000120 is a wasteful number, since it uses less digits than its factorization.

210122221000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825742665 (or 2825742648 counting only the distinct ones).

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

Adding to 210122221000120 its reverse (21000122221012), we get a palindrome (231122343221132).

The spelling of 210122221000120 in words is "two hundred ten trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty", and thus it is an aban number.