211225340355 has 8 divisors (see below), whose sum is σ = 337960544592. Its totient is φ = 112653514848.

The previous prime is 211225340353. The next prime is 211225340423. The reversal of 211225340355 is 553043522112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211225340355 - 2¹ = 211225340353 is a prime.

It is a super-2 number, since 2×211225340355² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211225340353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7040844664 + ... + 7040844693.

It is an arithmetic number, because the mean of its divisors is an integer number (42245068074).

Almost surely, 2^211225340355 is an apocalyptic number.

211225340355 is a deficient number, since it is larger than the sum of its proper divisors (126735204237).

211225340355 is a wasteful number, since it uses less digits than its factorization.

211225340355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14081689365.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 211225340355 its reverse (553043522112), we get a palindrome (764268862467).

The spelling of 211225340355 in words is "two hundred eleven billion, two hundred twenty-five million, three hundred forty thousand, three hundred fifty-five".