1010101121111 has 8 divisors (see below), whose sum is σ = 1029247916400. Its totient is φ = 991127600320.

The previous prime is 1010101121083. The next prime is 1010101121129. The reversal of 1010101121111 is 1111211010101.

It is a happy number.

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 1010101121111 - 2²² = 1010096926807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010101121092 and 1010101121101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010101121131) 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, 43306856 + ... + 43330173.

It is an arithmetic number, because the mean of its divisors is an integer number (128655989550).

Almost surely, 2^{1010101121111} is an apocalyptic number.

1010101121111 is a deficient number, since it is larger than the sum of its proper divisors (19146795289).

1010101121111 is an equidigital number, since it uses as much as digits as its factorization.

1010101121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86637249.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 1010101121111 its reverse (1111211010101), we get a palindrome (2121312131212).

The spelling of 1010101121111 in words is "one trillion, ten billion, one hundred one million, one hundred twenty-one thousand, one hundred eleven".