2010121201111 has 16 divisors (see below), whose sum is σ = 2074293760000. Its totient is φ = 1946759064768.

The previous prime is 2010121201087. The next prime is 2010121201117. The reversal of 2010121201111 is 1111021210102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2010121201111 - 2⁹ = 2010121200599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010121201091 and 2010121201100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010121201117) 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, 9169915 + ... + 9386563.

It is an arithmetic number, because the mean of its divisors is an integer number (129643360000).

Almost surely, 2^{2010121201111} is an apocalyptic number.

2010121201111 is a deficient number, since it is larger than the sum of its proper divisors (64172558889).

2010121201111 is a wasteful number, since it uses less digits than its factorization.

2010121201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218518.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2010121201111 its reverse (1111021210102), we get a palindrome (3121142411213).

The spelling of 2010121201111 in words is "two trillion, ten billion, one hundred twenty-one million, two hundred one thousand, one hundred eleven".