30211002100 has 72 divisors (see below), whose sum is σ = 66361113728. Its totient is φ = 11936937600.

The previous prime is 30211002089. The next prime is 30211002137. The reversal of 30211002100 is 120011203.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4332817 + ... + 4339783.

Almost surely, 2^30211002100 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 30211002100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33180556864).

30211002100 is an abundant number, since it is smaller than the sum of its proper divisors (36150111628).

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

30211002100 is a wasteful number, since it uses less digits than its factorization.

30211002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7505 (or 7498 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 30211002100 its reverse (120011203), we get a palindrome (30331013303).

The spelling of 30211002100 in words is "thirty billion, two hundred eleven million, two thousand, one hundred".