212020021121011 has 8 divisors (see below), whose sum is σ = 216829599249600. Its totient is φ = 207263587502400.

The previous prime is 212020021120997. The next prime is 212020021121039. The reversal of 212020021121011 is 110121120020212.

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 212020021121011 - 2¹⁷ = 212020020989939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212020021121071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13286119426 + ... + 13286135383.

It is an arithmetic number, because the mean of its divisors is an integer number (27103699906200).

Almost surely, 2^{212020021121011} is an apocalyptic number.

212020021121011 is a deficient number, since it is larger than the sum of its proper divisors (4809578128589).

212020021121011 is a wasteful number, since it uses less digits than its factorization.

212020021121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26572254989.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212020021121011 its reverse (110121120020212), we get a palindrome (322141141141223).

The spelling of 212020021121011 in words is "two hundred twelve trillion, twenty billion, twenty-one million, one hundred twenty-one thousand, eleven".