11021012001211 has 4 divisors (see below), whose sum is σ = 11044611599112. Its totient is φ = 10997412403312.

The previous prime is 11021012001187. The next prime is 11021012001257. The reversal of 11021012001211 is 11210021012011.

It is a happy number.

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 11021012001211 - 2⁵ = 11021012001179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11021012001191 and 11021012001200.

It is not an unprimeable number, because it can be changed into a prime (11021012001911) 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, 11799798250 + ... + 11799799183.

It is an arithmetic number, because the mean of its divisors is an integer number (2761152899778).

Almost surely, 2^{11021012001211} is an apocalyptic number.

11021012001211 is a deficient number, since it is larger than the sum of its proper divisors (23599597901).

11021012001211 is an equidigital number, since it uses as much as digits as its factorization.

11021012001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23599597900.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11021012001211 its reverse (11210021012011), we get a palindrome (22231033013222).

The spelling of 11021012001211 in words is "eleven trillion, twenty-one billion, twelve million, one thousand, two hundred eleven".