212021120011 has 8 divisors (see below), whose sum is σ = 213368627520. Its totient is φ = 210675014592.

The previous prime is 212021119997. The next prime is 212021120021. The reversal of 212021120011 is 110021120212.

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 212021120011 - 2¹⁹ = 212020595723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212021119973 and 212021120000.

It is not an unprimeable number, because it can be changed into a prime (212021120021) 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, 46291 + ... + 652828.

It is an arithmetic number, because the mean of its divisors is an integer number (26671078440).

Almost surely, 2^212021120011 is an apocalyptic number.

212021120011 is a deficient number, since it is larger than the sum of its proper divisors (1347507509).

212021120011 is a wasteful number, since it uses less digits than its factorization.

212021120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701045.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212021120011 its reverse (110021120212), we get a palindrome (322042240223).

The spelling of 212021120011 in words is "two hundred twelve billion, twenty-one million, one hundred twenty thousand, eleven".