210002012101220 has 12 divisors (see below), whose sum is σ = 441004225412604. Its totient is φ = 84000804840480.

The previous prime is 210002012101199. The next prime is 210002012101241. The reversal of 210002012101220 is 22101210200012.

It is an interprime number because it is at equal distance from previous prime (210002012101199) and next prime (210002012101241).

It can be written as a sum of positive squares in 2 ways, for example, as 119331547514404 + 90670464586816 = 10923898^2 + 9522104^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210002012101195 and 210002012101204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5250050302511 + ... + 5250050302550.

It is an arithmetic number, because the mean of its divisors is an integer number (36750352117717).

Almost surely, 2^{210002012101220} is an apocalyptic number.

210002012101220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210002012101220 is an abundant number, since it is smaller than the sum of its proper divisors (231002213311384).

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

210002012101220 is a wasteful number, since it uses less digits than its factorization.

210002012101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10500100605070 (or 10500100605068 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210002012101220 its reverse (22101210200012), we get a palindrome (232103222301232).

The spelling of 210002012101220 in words is "two hundred ten trillion, two billion, twelve million, one hundred one thousand, two hundred twenty".