30102100000 has 144 divisors (see below), whose sum is σ = 84658706496. Its totient is φ = 10320480000.

The previous prime is 30102099983. The next prime is 30102100037. The reversal of 30102100000 is 120103.

It is a super-2 number, since 2×30102100000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 678499 + ... + 721501.

It is an arithmetic number, because the mean of its divisors is an integer number (587907684).

Almost surely, 2^30102100000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30102100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42329353248).

30102100000 is an abundant number, since it is smaller than the sum of its proper divisors (54556606496).

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

30102100000 is an frugal number, since it uses more digits than its factorization.

30102100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43045 (or 43017 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

Adding to 30102100000 its reverse (120103), we get a palindrome (30102220103).

The spelling of 30102100000 in words is "thirty billion, one hundred two million, one hundred thousand".