211223200010 has 32 divisors (see below), whose sum is σ = 387176875344. Its totient is φ = 82944576000.

The previous prime is 211223199997. The next prime is 211223200061. The reversal of 211223200010 is 10002322112.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 75278348161 + 135944851849 = 274369^2 + 368707^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14501 + ... + 650120.

Almost surely, 2^211223200010 is an apocalyptic number.

211223200010 is a deficient number, since it is larger than the sum of its proper divisors (175953675334).

211223200010 is a wasteful number, since it uses less digits than its factorization.

211223200010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665210.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 211223200010 its reverse (10002322112), we get a palindrome (221225522122).

The spelling of 211223200010 in words is "two hundred eleven billion, two hundred twenty-three million, two hundred thousand, ten".