211112310312210 has 16 divisors (see below), whose sum is σ = 506669544749376. Its totient is φ = 56296616083248.

The previous prime is 211112310312199. The next prime is 211112310312223. The reversal of 211112310312210 is 12213013211112.

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, 3518538505174 + ... + 3518538505233.

It is an arithmetic number, because the mean of its divisors is an integer number (31666846546836).

Almost surely, 2^{211112310312210} is an apocalyptic number.

211112310312210 is an abundant number, since it is smaller than the sum of its proper divisors (295557234437166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211112310312210 is a wasteful number, since it uses less digits than its factorization.

211112310312210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7037077010417.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 211112310312210 its reverse (12213013211112), we get a palindrome (223325323523322).

The spelling of 211112310312210 in words is "two hundred eleven trillion, one hundred twelve billion, three hundred ten million, three hundred twelve thousand, two hundred ten".