210002021210120 has 32 divisors (see below), whose sum is σ = 484029048890520. Its totient is φ = 81952008276480.

The previous prime is 210002021210101. The next prime is 210002021210159. The reversal of 210002021210120 is 21012120200012.

It can be written as a sum of positive squares in 4 ways, for example, as 157386408799876 + 52615612410244 = 12545374^2 + 7253662^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210002021210095 and 210002021210104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64025004827 + ... + 64025008106.

Almost surely, 2^{210002021210120} is an apocalyptic number.

210002021210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210002021210120 is an abundant number, since it is smaller than the sum of its proper divisors (274027027680400).

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

210002021210120 is a wasteful number, since it uses less digits than its factorization.

210002021210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128050012985 (or 128050012981 counting only the distinct ones).

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

Adding to 210002021210120 its reverse (21012120200012), we get a palindrome (231014141410132).

The spelling of 210002021210120 in words is "two hundred ten trillion, two billion, twenty-one million, two hundred ten thousand, one hundred twenty".