211240002 has 16 divisors (see below), whose sum is σ = 437048640. Its totient is φ = 67985232.

The previous prime is 211239997. The next prime is 211240021. The reversal of 211240002 is 200042112.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 211240002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606838 + ... + 607185.

It is an arithmetic number, because the mean of its divisors is an integer number (27315540).

Almost surely, 2^211240002 is an apocalyptic number.

211240002 is an abundant number, since it is smaller than the sum of its proper divisors (225808638).

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

211240002 is a wasteful number, since it uses less digits than its factorization.

211240002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214057.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 211240002 is about 14534.0979080231. The cubic root of 211240002 is about 595.5598167877.

Adding to 211240002 its reverse (200042112), we get a palindrome (411282114).

The spelling of 211240002 in words is "two hundred eleven million, two hundred forty thousand, two".