211106425 has 24 divisors (see below), whose sum is σ = 281901600. Its totient is φ = 156238080.

The previous prime is 211106387. The next prime is 211106449. The reversal of 211106425 is 524601112.

It is not a de Polignac number, because 211106425 - 2⁷ = 211106297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211106396 and 211106405.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20866 + ... + 29284.

It is an arithmetic number, because the mean of its divisors is an integer number (11745900).

Almost surely, 2^211106425 is an apocalyptic number.

211106425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

211106425 is a deficient number, since it is larger than the sum of its proper divisors (70795175).

211106425 is a wasteful number, since it uses less digits than its factorization.

211106425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8505 (or 8500 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 211106425 is about 14529.5018840977. The cubic root of 211106425 is about 595.4342568130.

Adding to 211106425 its reverse (524601112), we get a palindrome (735707537).

The spelling of 211106425 in words is "two hundred eleven million, one hundred six thousand, four hundred twenty-five".