1000010101111 has 16 divisors (see below), whose sum is σ = 1172438039808. Its totient is φ = 835035019200.

The previous prime is 1000010101091. The next prime is 1000010101133. The reversal of 1000010101111 is 1111010100001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1000010101111 - 2⁹ = 1000010100599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a junction number, because it is equal to n+sod(n) for n = 1000010101094 and 1000010101103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000010101141) 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, 2322925 + ... + 2719558.

It is an arithmetic number, because the mean of its divisors is an integer number (73277377488).

Almost surely, 2^{1000010101111} is an apocalyptic number.

1000010101111 is a deficient number, since it is larger than the sum of its proper divisors (172427938697).

1000010101111 is an equidigital number, since it uses as much as digits as its factorization.

1000010101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5043222.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 1000010101111 its reverse (1111010100001), we get a palindrome (2111020201112).

The spelling of 1000010101111 in words is "one trillion, ten million, one hundred one thousand, one hundred eleven".