211912098 has 32 divisors (see below), whose sum is σ = 436946496. Its totient is φ = 68465088.

The previous prime is 211912093. The next prime is 211912139. The reversal of 211912098 is 890219112.

It is not an unprimeable number, because it can be changed into a prime (211912091) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 61140 + ... + 64512.

It is an arithmetic number, because the mean of its divisors is an integer number (13654578).

Almost surely, 2^211912098 is an apocalyptic number.

211912098 is an abundant number, since it is smaller than the sum of its proper divisors (225034398).

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

211912098 is a wasteful number, since it uses less digits than its factorization.

211912098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3698.

The product of its (nonzero) digits is 2592, while the sum is 33.

The square root of 211912098 is about 14557.2008985244. The cubic root of 211912098 is about 596.1907730507.

The spelling of 211912098 in words is "two hundred eleven million, nine hundred twelve thousand, ninety-eight".