210122020020220 has 192 divisors, whose sum is σ = 574268644454400. Its totient is φ = 62677875686400.

The previous prime is 210122020020193. The next prime is 210122020020239. The reversal of 210122020020220 is 22020020221012.

It is a junction number, because it is equal to n+sod(n) for n = 210122020020194 and 210122020020203.

It is a congruent number.

It is an unprimeable number.

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, 26750820 + ... + 33702379.

It is an arithmetic number, because the mean of its divisors is an integer number (2990982523200).

Almost surely, 2^{210122020020220} is an apocalyptic number.

210122020020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210122020020220 is an abundant number, since it is smaller than the sum of its proper divisors (364146624434180).

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

210122020020220 is a wasteful number, since it uses less digits than its factorization.

210122020020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60453324 (or 60453322 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 210122020020220 its reverse (22020020221012), we get a palindrome (232142040241232).

The spelling of 210122020020220 in words is "two hundred ten trillion, one hundred twenty-two billion, twenty million, twenty thousand, two hundred twenty".