212020021011 has 8 divisors (see below), whose sum is σ = 282697534864. Its totient is φ = 141344593920.

The previous prime is 212020020941. The next prime is 212020021013. The reversal of 212020021011 is 110120020212.

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

It is not a de Polignac number, because 212020021011 - 2¹⁰ = 212020019987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212020021013) 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, 266830 + ... + 703731.

It is an arithmetic number, because the mean of its divisors is an integer number (35337191858).

Almost surely, 2^212020021011 is an apocalyptic number.

212020021011 is a deficient number, since it is larger than the sum of its proper divisors (70677513853).

212020021011 is an equidigital number, since it uses as much as digits as its factorization.

212020021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043381.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212020021011 its reverse (110120020212), we get a palindrome (322140041223).

The spelling of 212020021011 in words is "two hundred twelve billion, twenty million, twenty-one thousand, eleven".