101010121111 has 8 divisors (see below), whose sum is σ = 103347889920. Its totient is φ = 98680211448.

The previous prime is 101010121087. The next prime is 101010121123. The reversal of 101010121111 is 111121010101.

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 101010121111 - 2¹⁵ = 101010088343 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 (101010121171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1938781 + ... + 1990198.

It is an arithmetic number, because the mean of its divisors is an integer number (12918486240).

Almost surely, 2^101010121111 is an apocalyptic number.

101010121111 is a deficient number, since it is larger than the sum of its proper divisors (2337768809).

101010121111 is an equidigital number, since it uses as much as digits as its factorization.

101010121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3929573.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 101010121111 its reverse (111121010101), we get a palindrome (212131131212).

The spelling of 101010121111 in words is "one hundred one billion, ten million, one hundred twenty-one thousand, one hundred eleven".