2010101021111 has 4 divisors (see below), whose sum is σ = 2010623536272. Its totient is φ = 2009578505952.

The previous prime is 2010101021107. The next prime is 2010101021141. The reversal of 2010101021111 is 1111201010102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2010101021111 - 2² = 2010101021107 is a prime.

It is a super-2 number, since 2×2010101021111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010101021092 and 2010101021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010101021141) 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 3 ways as a sum of consecutive naturals, for example, 261251810 + ... + 261259503.

It is an arithmetic number, because the mean of its divisors is an integer number (502655884068).

Almost surely, 2^{2010101021111} is an apocalyptic number.

2010101021111 is a deficient number, since it is larger than the sum of its proper divisors (522515161).

2010101021111 is an equidigital number, since it uses as much as digits as its factorization.

2010101021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522515160.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 2010101021111 its reverse (1111201010102), we get a palindrome (3121302031213).

It can be divided in two parts, 201010102 and 1111, that multiplied together give a palindrome (223322223322).

The spelling of 2010101021111 in words is "two trillion, ten billion, one hundred one million, twenty-one thousand, one hundred eleven".