10211021101011 has 4 divisors (see below), whose sum is σ = 13614694801352. Its totient is φ = 6807347400672.

The previous prime is 10211021100997. The next prime is 10211021101033. The reversal of 10211021101011 is 11010112011201.

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

It is not a de Polignac number, because 10211021101011 - 2⁶ = 10211021100947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10211021103011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1701836850166 + ... + 1701836850171.

It is an arithmetic number, because the mean of its divisors is an integer number (3403673700338).

Almost surely, 2^{10211021101011} is an apocalyptic number.

10211021101011 is a deficient number, since it is larger than the sum of its proper divisors (3403673700341).

10211021101011 is an equidigital number, since it uses as much as digits as its factorization.

10211021101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403673700340.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 10211021101011 its reverse (11010112011201), we get a palindrome (21221133112212).

The spelling of 10211021101011 in words is "ten trillion, two hundred eleven billion, twenty-one million, one hundred one thousand, eleven".