2012101220101 has 16 divisors (see below), whose sum is σ = 2373812305920. Its totient is φ = 1668961329840.

The previous prime is 2012101220099. The next prime is 2012101220111. The reversal of 2012101220101 is 1010221012102.

It is not a de Polignac number, because 2012101220101 - 2¹ = 2012101220099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012101220111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6139140 + ... + 6458578.

It is an arithmetic number, because the mean of its divisors is an integer number (148363269120).

Almost surely, 2^{2012101220101} is an apocalyptic number.

It is an amenable number.

2012101220101 is a deficient number, since it is larger than the sum of its proper divisors (361711085819).

2012101220101 is a wasteful number, since it uses less digits than its factorization.

2012101220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348504.

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

Adding to 2012101220101 its reverse (1010221012102), we get a palindrome (3022322232203).

The spelling of 2012101220101 in words is "two trillion, twelve billion, one hundred one million, two hundred twenty thousand, one hundred one".