211001111100212 has 12 divisors (see below), whose sum is σ = 369748918783776. Its totient is φ = 105358562876280.

The previous prime is 211001111100167. The next prime is 211001111100217. The reversal of 211001111100212 is 212001111100112.

It is a super-2 number, since 2×211001111100212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211001111100217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35498165114 + ... + 35498171057.

It is an arithmetic number, because the mean of its divisors is an integer number (30812409898648).

Almost surely, 2^{211001111100212} is an apocalyptic number.

It is an amenable number.

211001111100212 is a deficient number, since it is larger than the sum of its proper divisors (158747807683564).

211001111100212 is a wasteful number, since it uses less digits than its factorization.

211001111100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70996336918 (or 70996336916 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 211001111100212 its reverse (212001111100112), we get a palindrome (423002222200324).

The spelling of 211001111100212 in words is "two hundred eleven trillion, one billion, one hundred eleven million, one hundred thousand, two hundred twelve".