20120101020211 has 8 divisors (see below), whose sum is σ = 20770117862400. Its totient is φ = 19470145510920.

The previous prime is 20120101020121. The next prime is 20120101020233. The reversal of 20120101020211 is 11202010102102.

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 20120101020211 - 2¹⁵ = 20120100987443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20120101020191 and 20120101020200.

It is not an unprimeable number, because it can be changed into a prime (20120101020011) 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, 14666071 + ... + 15979168.

It is an arithmetic number, because the mean of its divisors is an integer number (2596264732800).

Almost surely, 2^{20120101020211} is an apocalyptic number.

20120101020211 is a deficient number, since it is larger than the sum of its proper divisors (650016842189).

20120101020211 is a wasteful number, since it uses less digits than its factorization.

20120101020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30666449.

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

Adding to 20120101020211 its reverse (11202010102102), we get a palindrome (31322111122313).

The spelling of 20120101020211 in words is "twenty trillion, one hundred twenty billion, one hundred one million, twenty thousand, two hundred eleven".