211422144302 has 4 divisors (see below), whose sum is σ = 317133216456. Its totient is φ = 105711072150.

The previous prime is 211422144293. The next prime is 211422144341. The reversal of 211422144302 is 203441224112.

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

It is a super-2 number, since 2×211422144302² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52855536074 + ... + 52855536077.

It is an arithmetic number, because the mean of its divisors is an integer number (79283304114).

Almost surely, 2^211422144302 is an apocalyptic number.

211422144302 is a deficient number, since it is larger than the sum of its proper divisors (105711072154).

211422144302 is a wasteful number, since it uses less digits than its factorization.

211422144302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105711072153.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 211422144302 its reverse (203441224112), we get a palindrome (414863368414).

The spelling of 211422144302 in words is "two hundred eleven billion, four hundred twenty-two million, one hundred forty-four thousand, three hundred two".