211253144103 has 24 divisors (see below), whose sum is σ = 306332387712. Its totient is φ = 140287043088.

The previous prime is 211253144101. The next prime is 211253144147. The reversal of 211253144103 is 301441352112.

211253144103 is a `hidden beast` number, since 2 + 112 + 531 + 4 + 4 + 10 + 3 = 666.

It is not a de Polignac number, because 211253144103 - 2¹ = 211253144101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211253144101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7838950 + ... + 7865852.

It is an arithmetic number, because the mean of its divisors is an integer number (12763849488).

Almost surely, 2^211253144103 is an apocalyptic number.

211253144103 is a deficient number, since it is larger than the sum of its proper divisors (95079243609).

211253144103 is a wasteful number, since it uses less digits than its factorization.

211253144103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30275 (or 30272 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 211253144103 its reverse (301441352112), we get a palindrome (512694496215).

The spelling of 211253144103 in words is "two hundred eleven billion, two hundred fifty-three million, one hundred forty-four thousand, one hundred three".