211420225345353 has 32 divisors (see below), whose sum is σ = 291043390851072. Its totient is φ = 136412303328000.

The previous prime is 211420225345333. The next prime is 211420225345397. The reversal of 211420225345353 is 353543522024112.

It is not a de Polignac number, because 211420225345353 - 2⁹ = 211420225344841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211420225345333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 420652303 + ... + 421154603.

It is an arithmetic number, because the mean of its divisors is an integer number (9095105964096).

Almost surely, 2^{211420225345353} is an apocalyptic number.

It is an amenable number.

211420225345353 is a deficient number, since it is larger than the sum of its proper divisors (79623165505719).

211420225345353 is a wasteful number, since it uses less digits than its factorization.

211420225345353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522385.

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 211420225345353 its reverse (353543522024112), we get a palindrome (564963747369465).

The spelling of 211420225345353 in words is "two hundred eleven trillion, four hundred twenty billion, two hundred twenty-five million, three hundred forty-five thousand, three hundred fifty-three".