211112120101210 has 16 divisors (see below), whose sum is σ = 380002502106216. Its totient is φ = 84444695612928.

The previous prime is 211112120101177. The next prime is 211112120101273. The reversal of 211112120101210 is 12101021211112.

It can be written as a sum of positive squares in 4 ways, for example, as 208446805909969 + 2665314191241 = 14437687^2 + 1632579^2 .

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, 13149327 + ... + 24395266.

Almost surely, 2^{211112120101210} is an apocalyptic number.

211112120101210 is a deficient number, since it is larger than the sum of its proper divisors (168890382005006).

211112120101210 is a wasteful number, since it uses less digits than its factorization.

211112120101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38106897.

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

Adding to 211112120101210 its reverse (12101021211112), we get a palindrome (223213141312322).

The spelling of 211112120101210 in words is "two hundred eleven trillion, one hundred twelve billion, one hundred twenty million, one hundred one thousand, two hundred ten".