211301356442 has 12 divisors (see below), whose sum is σ = 348385294698. Its totient is φ = 96046071000.

The previous prime is 211301356411. The next prime is 211301356447. The reversal of 211301356442 is 244653103112.

211301356442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 132256596241 + 79044760201 = 363671^2 + 281149^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211301356399 and 211301356408.

It is not an unprimeable number, because it can be changed into a prime (211301356447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 436572809 + ... + 436573292.

Almost surely, 2^211301356442 is an apocalyptic number.

211301356442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211301356442 is a deficient number, since it is larger than the sum of its proper divisors (137083938256).

211301356442 is a wasteful number, since it uses less digits than its factorization.

211301356442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873146125 (or 873146114 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 211301356442 its reverse (244653103112), we get a palindrome (455954459554).

The spelling of 211301356442 in words is "two hundred eleven billion, three hundred one million, three hundred fifty-six thousand, four hundred forty-two".