211000001221210 has 8 divisors (see below), whose sum is σ = 379800002198196. Its totient is φ = 84400000488480.

The previous prime is 211000001221199. The next prime is 211000001221267. The reversal of 211000001221210 is 12122100000112.

It can be written as a sum of positive squares in 2 ways, for example, as 188615586920121 + 22384414301089 = 13733739^2 + 4731217^2 .

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, 10550000061051 + ... + 10550000061070.

Almost surely, 2^{211000001221210} is an apocalyptic number.

211000001221210 is a deficient number, since it is larger than the sum of its proper divisors (168800000976986).

211000001221210 is a wasteful number, since it uses less digits than its factorization.

211000001221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21100000122128.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211000001221210 its reverse (12122100000112), we get a palindrome (223122101221322).

The spelling of 211000001221210 in words is "two hundred eleven trillion, one million, two hundred twenty-one thousand, two hundred ten".