212112020121011 has 16 divisors (see below), whose sum is σ = 216577579680000. Its totient is φ = 207687964495200.

The previous prime is 212112020120821. The next prime is 212112020121037. The reversal of 212112020121011 is 110121020211212.

212112020121011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212112020121011 is a prime.

It is a super-4 number, since 4×212112020121011⁴ (a number of 58 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212112020121311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65045576 + ... + 68228666.

It is an arithmetic number, because the mean of its divisors is an integer number (13536098730000).

Almost surely, 2^{212112020121011} is an apocalyptic number.

212112020121011 is a deficient number, since it is larger than the sum of its proper divisors (4465559558989).

212112020121011 is a wasteful number, since it uses less digits than its factorization.

212112020121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189610.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212112020121011 its reverse (110121020211212), we get a palindrome (322233040332223).

The spelling of 212112020121011 in words is "two hundred twelve trillion, one hundred twelve billion, twenty million, one hundred twenty-one thousand, eleven".