211444101434 has 4 divisors (see below), whose sum is σ = 317166152154. Its totient is φ = 105722050716.

The previous prime is 211444101433. The next prime is 211444101467. The reversal of 211444101434 is 434101444112.

It is a happy number.

211444101434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 157844906209 + 53599195225 = 397297^2 + 231515^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211444101397 and 211444101406.

It is not an unprimeable number, because it can be changed into a prime (211444101431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52861025357 + ... + 52861025360.

Almost surely, 2^211444101434 is an apocalyptic number.

211444101434 is a deficient number, since it is larger than the sum of its proper divisors (105722050720).

211444101434 is a wasteful number, since it uses less digits than its factorization.

211444101434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105722050719.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 211444101434 its reverse (434101444112), we get a palindrome (645545545546).

The spelling of 211444101434 in words is "two hundred eleven billion, four hundred forty-four million, one hundred one thousand, four hundred thirty-four".