212021231011 has 8 divisors (see below), whose sum is σ = 212422891824. Its totient is φ = 211619677440.

The previous prime is 212021231003. The next prime is 212021231027. The reversal of 212021231011 is 110132120212.

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 212021231011 - 2³ = 212021231003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212021231311) 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, 4715211 + ... + 4759963.

It is an arithmetic number, because the mean of its divisors is an integer number (26552861478).

Almost surely, 2^212021231011 is an apocalyptic number.

212021231011 is a deficient number, since it is larger than the sum of its proper divisors (401660813).

212021231011 is an equidigital number, since it uses as much as digits as its factorization.

212021231011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53621.

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

Adding to 212021231011 its reverse (110132120212), we get a palindrome (322153351223).

The spelling of 212021231011 in words is "two hundred twelve billion, twenty-one million, two hundred thirty-one thousand, eleven".