211112021002212 has 144 divisors (see below), whose sum is σ = 582664996577664. Its totient is φ = 63917569152000.

The previous prime is 211112021001961. The next prime is 211112021002247. The reversal of 211112021002212 is 212200120211112.

211112021002212 is a `hidden beast` number, since 2 + 111 + 120 + 210 + 0 + 221 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8434010137 + ... + 8434035167.

It is an arithmetic number, because the mean of its divisors is an integer number (4046284698456).

Almost surely, 2^{211112021002212} is an apocalyptic number.

211112021002212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211112021002212 is an abundant number, since it is smaller than the sum of its proper divisors (371552975575452).

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

211112021002212 is a wasteful number, since it uses less digits than its factorization.

211112021002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42770 (or 42765 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211112021002212 its reverse (212200120211112), we get a palindrome (423312141213324).

The spelling of 211112021002212 in words is "two hundred eleven trillion, one hundred twelve billion, twenty-one million, two thousand, two hundred twelve".