30002100210 has 48 divisors (see below), whose sum is σ = 78129230400. Its totient is φ = 7987865760.

The previous prime is 30002100209. The next prime is 30002100211. The reversal of 30002100210 is 1200120003.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30002100209) and next prime (30002100211).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 30002100192 and 30002100201.

It is not an unprimeable number, because it can be changed into a prime (30002100211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207360 + ... + 320939.

It is an arithmetic number, because the mean of its divisors is an integer number (1627692300).

Almost surely, 2^30002100210 is an apocalyptic number.

30002100210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30002100210 is an abundant number, since it is smaller than the sum of its proper divisors (48127130190).

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

30002100210 is a wasteful number, since it uses less digits than its factorization.

30002100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528943 (or 528940 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 30002100210 its reverse (1200120003), we get a palindrome (31202220213).

The spelling of 30002100210 in words is "thirty billion, two million, one hundred thousand, two hundred ten".