1000110121211 has 6 divisors (see below), whose sum is σ = 1019336164140. Its totient is φ = 981240116168.

The previous prime is 1000110121201. The next prime is 1000110121243. The reversal of 1000110121211 is 1121210110001.

It is not a de Polignac number, because 1000110121211 - 2⁶ = 1000110121147 is a prime.

It is a super-2 number, since 2×1000110121211² (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 = 1000110121192 and 1000110121201.

It is not an unprimeable number, because it can be changed into a prime (1000110121201) 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 5 ways as a sum of consecutive naturals, for example, 178016081 + ... + 178021698.

It is an arithmetic number, because the mean of its divisors is an integer number (169889360690).

Almost surely, 2^{1000110121211} is an apocalyptic number.

1000110121211 is a deficient number, since it is larger than the sum of its proper divisors (19226042929).

1000110121211 is an frugal number, since it uses more digits than its factorization.

1000110121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356037885 (or 356037832 counting only the distinct ones).

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

Adding to 1000110121211 its reverse (1121210110001), we get a palindrome (2121320231212).

The spelling of 1000110121211 in words is "one trillion, one hundred ten million, one hundred twenty-one thousand, two hundred eleven".