212331001122011 has 4 divisors (see below), whose sum is σ = 212539373057400. Its totient is φ = 212122629186624.

The previous prime is 212331001121957. The next prime is 212331001122131. The reversal of 212331001122011 is 110221100133212.

212331001122011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212331001122011 - 2¹⁸ = 212331000859867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212331001122311) 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, 104185966166 + ... + 104185968203.

It is an arithmetic number, because the mean of its divisors is an integer number (53134843264350).

Almost surely, 2^{212331001122011} is an apocalyptic number.

212331001122011 is a deficient number, since it is larger than the sum of its proper divisors (208371935389).

212331001122011 is a wasteful number, since it uses less digits than its factorization.

212331001122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208371935388.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 212331001122011 its reverse (110221100133212), we get a palindrome (322552101255223).

The spelling of 212331001122011 in words is "two hundred twelve trillion, three hundred thirty-one billion, one million, one hundred twenty-two thousand, eleven".