210122021200120 has 32 divisors (see below), whose sum is σ = 472775035773600. Its totient is φ = 84048721711488.

The previous prime is 210122021200109. The next prime is 210122021200121. The reversal of 210122021200120 is 21002120221012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210122021200094 and 210122021200103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210122021200121) 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, 48424957 + ... + 52585363.

It is an arithmetic number, because the mean of its divisors is an integer number (14774219867925).

Almost surely, 2^{210122021200120} is an apocalyptic number.

210122021200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210122021200120 is an abundant number, since it is smaller than the sum of its proper divisors (262653014573480).

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

210122021200120 is a wasteful number, since it uses less digits than its factorization.

210122021200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5423047 (or 5423043 counting only the distinct ones).

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

Adding to 210122021200120 its reverse (21002120221012), we get a palindrome (231124141421132).

The spelling of 210122021200120 in words is "two hundred ten trillion, one hundred twenty-two billion, twenty-one million, two hundred thousand, one hundred twenty".