212021201011 has 4 divisors (see below), whose sum is σ = 218860594624. Its totient is φ = 205181807400.

The previous prime is 212021201003. The next prime is 212021201027. The reversal of 212021201011 is 110102120212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212021201011 - 2³ = 212021201003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212021200982 and 212021201000.

It is not an unprimeable number, because it can be changed into a prime (212021201411) 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, 3419696760 + ... + 3419696821.

It is an arithmetic number, because the mean of its divisors is an integer number (54715148656).

Almost surely, 2^212021201011 is an apocalyptic number.

212021201011 is a deficient number, since it is larger than the sum of its proper divisors (6839393613).

212021201011 is an equidigital number, since it uses as much as digits as its factorization.

212021201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6839393612.

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

Adding to 212021201011 its reverse (110102120212), we get a palindrome (322123321223).

The spelling of 212021201011 in words is "two hundred twelve billion, twenty-one million, two hundred one thousand, eleven".