211571201103 has 8 divisors (see below), whose sum is σ = 283988190000. Its totient is φ = 140100839808.

The previous prime is 211571201081. The next prime is 211571201137. The reversal of 211571201103 is 301102175112.

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

It is not a de Polignac number, because 211571201103 - 2¹² = 211571197007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211571201173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236656378 + ... + 236657271.

It is an arithmetic number, because the mean of its divisors is an integer number (35498523750).

Almost surely, 2^211571201103 is an apocalyptic number.

211571201103 is a deficient number, since it is larger than the sum of its proper divisors (72416988897).

211571201103 is a wasteful number, since it uses less digits than its factorization.

211571201103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473313801.

The product of its (nonzero) digits is 420, while the sum is 24.

Adding to 211571201103 its reverse (301102175112), we get a palindrome (512673376215).

The spelling of 211571201103 in words is "two hundred eleven billion, five hundred seventy-one million, two hundred one thousand, one hundred three".