211012310 has 16 divisors (see below), whose sum is σ = 382374000. Its totient is φ = 83837856.

The previous prime is 211012303. The next prime is 211012343. The reversal of 211012310 is 13210112.

It is a super-2 number, since 2×211012310² = 89052389943072200, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 211012291 and 211012300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69320 + ... + 72299.

It is an arithmetic number, because the mean of its divisors is an integer number (23898375).

Almost surely, 2^211012310 is an apocalyptic number.

211012310 is a deficient number, since it is larger than the sum of its proper divisors (171361690).

211012310 is a wasteful number, since it uses less digits than its factorization.

211012310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141775.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 211012310 is about 14526.2627678285. The cubic root of 211012310 is about 595.3457585987.

Adding to 211012310 its reverse (13210112), we get a palindrome (224222422).

The spelling of 211012310 in words is "two hundred eleven million, twelve thousand, three hundred ten".