210102020120019 has 16 divisors (see below), whose sum is σ = 282716703146240. Its totient is φ = 138777771808800.

The previous prime is 210102020120011. The next prime is 210102020120039. The reversal of 210102020120019 is 910021020201012.

It is not a de Polignac number, because 210102020120019 - 2³ = 210102020120011 is a prime.

It is a super-2 number, since 2×210102020120019² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210102020119977 and 210102020120004.

It is not an unprimeable number, because it can be changed into a prime (210102020120011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3342457 + ... + 20769594.

It is an arithmetic number, because the mean of its divisors is an integer number (17669793946640).

Almost surely, 2^{210102020120019} is an apocalyptic number.

210102020120019 is a deficient number, since it is larger than the sum of its proper divisors (72614683026221).

210102020120019 is a wasteful number, since it uses less digits than its factorization.

210102020120019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24138810.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 210102020120019 in words is "two hundred ten trillion, one hundred two billion, twenty million, one hundred twenty thousand, nineteen".