11021211012011 has 8 divisors (see below), whose sum is σ = 11039866047504. Its totient is φ = 11002570675200.

The previous prime is 11021211011977. The next prime is 11021211012079. The reversal of 11021211012011 is 11021011212011.

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-11021211012011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021211015011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2173265 + ... + 5173538.

It is an arithmetic number, because the mean of its divisors is an integer number (1379983255938).

Almost surely, 2^{11021211012011} is an apocalyptic number.

11021211012011 is a deficient number, since it is larger than the sum of its proper divisors (18655035493).

11021211012011 is an equidigital number, since it uses as much as digits as its factorization.

11021211012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7349341.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11021211012011 its reverse (11021011212011), we get a palindrome (22042222224022).

The spelling of 11021211012011 in words is "eleven trillion, twenty-one billion, two hundred eleven million, twelve thousand, eleven".