20000110001211 has 12 divisors (see below), whose sum is σ = 29885221841280. Its totient is φ = 12873634023600.

The previous prime is 20000110001203. The next prime is 20000110001393. The reversal of 20000110001211 is 11210001100002.

It is a happy number.

It is not a de Polignac number, because 20000110001211 - 2³ = 20000110001203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20000110001193 and 20000110001202.

It is not an unprimeable number, because it can be changed into a prime (20000110001111) 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 11 ways as a sum of consecutive naturals, for example, 38314386715 + ... + 38314387236.

It is an arithmetic number, because the mean of its divisors is an integer number (2490435153440).

Almost surely, 2^{20000110001211} is an apocalyptic number.

20000110001211 is a deficient number, since it is larger than the sum of its proper divisors (9885111840069).

20000110001211 is a wasteful number, since it uses less digits than its factorization.

20000110001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76628773986 (or 76628773983 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 20000110001211 its reverse (11210001100002), we get a palindrome (31210111101213).

The spelling of 20000110001211 in words is "twenty trillion, one hundred ten million, one thousand, two hundred eleven".