211240223302 has 4 divisors (see below), whose sum is σ = 316860334956. Its totient is φ = 105620111650.

The previous prime is 211240223237. The next prime is 211240223303. The reversal of 211240223302 is 203322042112.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211240223303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52810055824 + ... + 52810055827.

It is an arithmetic number, because the mean of its divisors is an integer number (79215083739).

Almost surely, 2^211240223302 is an apocalyptic number.

211240223302 is a deficient number, since it is larger than the sum of its proper divisors (105620111654).

211240223302 is a wasteful number, since it uses less digits than its factorization.

211240223302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105620111653.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 211240223302 its reverse (203322042112), we get a palindrome (414562265414).

The spelling of 211240223302 in words is "two hundred eleven billion, two hundred forty million, two hundred twenty-three thousand, three hundred two".