211223141210 has 8 divisors (see below), whose sum is σ = 380201654196. Its totient is φ = 84489256480.

The previous prime is 211223141191. The next prime is 211223141263. The reversal of 211223141210 is 12141322112.

It can be written as a sum of positive squares in 2 ways, for example, as 187439641249 + 23783499961 = 432943^2 + 154219^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10561157051 + ... + 10561157070.

Almost surely, 2^211223141210 is an apocalyptic number.

211223141210 is a deficient number, since it is larger than the sum of its proper divisors (168978512986).

211223141210 is a wasteful number, since it uses less digits than its factorization.

211223141210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21122314128.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 211223141210 its reverse (12141322112), we get a palindrome (223364463322).

The spelling of 211223141210 in words is "two hundred eleven billion, two hundred twenty-three million, one hundred forty-one thousand, two hundred ten".