211000021210 has 16 divisors (see below), whose sum is σ = 414327314592. Its totient is φ = 76727280400.

The previous prime is 211000021181. The next prime is 211000021231. The reversal of 211000021210 is 12120000112.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 959090896 + ... + 959091115.

It is an arithmetic number, because the mean of its divisors is an integer number (25895457162).

Almost surely, 2^211000021210 is an apocalyptic number.

211000021210 is a deficient number, since it is larger than the sum of its proper divisors (203327293382).

211000021210 is a wasteful number, since it uses less digits than its factorization.

211000021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918182029.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 211000021210 its reverse (12120000112), we get a palindrome (223120021322).

The spelling of 211000021210 in words is "two hundred eleven billion, twenty-one thousand, two hundred ten".