10211010121111 has 8 divisors (see below), whose sum is σ = 10933137077760. Its totient is φ = 9502380864768.

The previous prime is 10211010121097. The next prime is 10211010121159. The reversal of 10211010121111 is 11112101011201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10211010121111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10211010121091 and 10211010121100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211010121511) 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 7 ways as a sum of consecutive naturals, for example, 3374423511 + ... + 3374426536.

It is an arithmetic number, because the mean of its divisors is an integer number (1366642134720).

Almost surely, 2^{10211010121111} is an apocalyptic number.

10211010121111 is a deficient number, since it is larger than the sum of its proper divisors (722126956649).

10211010121111 is an equidigital number, since it uses as much as digits as its factorization.

10211010121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6748850153.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 10211010121111 its reverse (11112101011201), we get a palindrome (21323111132312).

The spelling of 10211010121111 in words is "ten trillion, two hundred eleven billion, ten million, one hundred twenty-one thousand, one hundred eleven".