211404302130 has 64 divisors (see below), whose sum is σ = 579889290240. Its totient is φ = 48317859264.

The previous prime is 211404302113. The next prime is 211404302143. The reversal of 211404302130 is 31203404112.

211404302130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 211404302097 and 211404302106.

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 31 ways as a sum of consecutive naturals, for example, 5294581 + ... + 5334359.

It is an arithmetic number, because the mean of its divisors is an integer number (9060770160).

Almost surely, 2^211404302130 is an apocalyptic number.

211404302130 is an abundant number, since it is smaller than the sum of its proper divisors (368484988110).

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

211404302130 is a wasteful number, since it uses less digits than its factorization.

211404302130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65103.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 211404302130 its reverse (31203404112), we get a palindrome (242607706242).

It can be divided in two parts, 21140 and 4302130, that added together give a triangular number (4323270 = T₂₉₄₀).

The spelling of 211404302130 in words is "two hundred eleven billion, four hundred four million, three hundred two thousand, one hundred thirty".