210122201112220 has 24 divisors (see below), whose sum is σ = 441257438964384. Its totient is φ = 84048724896576.

The previous prime is 210122201112199. The next prime is 210122201112223. The reversal of 210122201112220 is 22211102221012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210122201112223) 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, 1681417 + ... + 20568703.

It is an arithmetic number, because the mean of its divisors is an integer number (18385726623516).

Almost surely, 2^{210122201112220} is an apocalyptic number.

210122201112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210122201112220 is an abundant number, since it is smaller than the sum of its proper divisors (231135237852164).

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

210122201112220 is a wasteful number, since it uses less digits than its factorization.

210122201112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19443549 (or 19443547 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 210122201112220 its reverse (22211102221012), we get a palindrome (232333303333232).

The spelling of 210122201112220 in words is "two hundred ten trillion, one hundred twenty-two billion, two hundred one million, one hundred twelve thousand, two hundred twenty".