211253130105 has 32 divisors (see below), whose sum is σ = 360081469440. Its totient is φ = 105452406720.

The previous prime is 211253130091. The next prime is 211253130119. The reversal of 211253130105 is 501031352112.

It is an interprime number because it is at equal distance from previous prime (211253130091) and next prime (211253130119).

It is not a de Polignac number, because 211253130105 - 2⁶ = 211253130041 is a prime.

It is a super-2 number, since 2×211253130105² (a number of 23 digits) contains 22 as substring.

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 in 31 ways as a sum of consecutive naturals, for example, 4441641 + ... + 4488950.

It is an arithmetic number, because the mean of its divisors is an integer number (11252545920).

Almost surely, 2^211253130105 is an apocalyptic number.

It is an amenable number.

211253130105 is a deficient number, since it is larger than the sum of its proper divisors (148828339335).

211253130105 is a wasteful number, since it uses less digits than its factorization.

211253130105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8930701.

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 211253130105 its reverse (501031352112), we get a palindrome (712284482217).

The spelling of 211253130105 in words is "two hundred eleven billion, two hundred fifty-three million, one hundred thirty thousand, one hundred five".