211904102 has 16 divisors (see below), whose sum is σ = 329313600. Its totient is φ = 102144000.

The previous prime is 211904101. The next prime is 211904111. The reversal of 211904102 is 201409112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211904101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42227 + ... + 46977.

It is an arithmetic number, because the mean of its divisors is an integer number (20582100).

Almost surely, 2^211904102 is an apocalyptic number.

211904102 is a deficient number, since it is larger than the sum of its proper divisors (117409498).

211904102 is a wasteful number, since it uses less digits than its factorization.

211904102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5551.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 211904102 is about 14556.9262552230. The cubic root of 211904102 is about 596.1832743419.

The spelling of 211904102 in words is "two hundred eleven million, nine hundred four thousand, one hundred two".