10211000120111 has 4 divisors (see below), whose sum is σ = 11669714422992. Its totient is φ = 8752285817232.

The previous prime is 10211000120081. The next prime is 10211000120213. The reversal of 10211000120111 is 11102100011201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10211000120111 - 2²² = 10210995925807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10211000120092 and 10211000120101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211000129111) 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 3 ways as a sum of consecutive naturals, for example, 729357151430 + ... + 729357151443.

It is an arithmetic number, because the mean of its divisors is an integer number (2917428605748).

Almost surely, 2^{10211000120111} is an apocalyptic number.

10211000120111 is a deficient number, since it is larger than the sum of its proper divisors (1458714302881).

10211000120111 is an equidigital number, since it uses as much as digits as its factorization.

10211000120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458714302880.

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

Adding to 10211000120111 its reverse (11102100011201), we get a palindrome (21313100131312).

The spelling of 10211000120111 in words is "ten trillion, two hundred eleven billion, one hundred twenty thousand, one hundred eleven".