212321102011 has 8 divisors (see below), whose sum is σ = 214981628400. Its totient is φ = 209677049952.

The previous prime is 212321101997. The next prime is 212321102033. The reversal of 212321102011 is 110201123212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212321102011 - 2¹⁵ = 212321069243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212321103011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4092645 + ... + 4144198.

It is an arithmetic number, because the mean of its divisors is an integer number (26872703550).

Almost surely, 2^212321102011 is an apocalyptic number.

212321102011 is a deficient number, since it is larger than the sum of its proper divisors (2660526389).

212321102011 is a wasteful number, since it uses less digits than its factorization.

212321102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8237165.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 212321102011 its reverse (110201123212), we get a palindrome (322522225223).

The spelling of 212321102011 in words is "two hundred twelve billion, three hundred twenty-one million, one hundred two thousand, eleven".