11021101212011 has 24 divisors (see below), whose sum is σ = 12349629526752. Its totient is φ = 9824599699200.

The previous prime is 11021101211969. The next prime is 11021101212031. The reversal of 11021101212011 is 11021210112011.

It is a de Polignac number, because none of the positive numbers 2^k-11021101212011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021101212031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10912346 + ... + 11879456.

It is an arithmetic number, because the mean of its divisors is an integer number (514567896948).

Almost surely, 2^{11021101212011} is an apocalyptic number.

11021101212011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11021101212011 is a deficient number, since it is larger than the sum of its proper divisors (1328528314741).

11021101212011 is a wasteful number, since it uses less digits than its factorization.

11021101212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968963 (or 968952 counting only the distinct ones).

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

Adding to 11021101212011 its reverse (11021210112011), we get a palindrome (22042311324022).

The spelling of 11021101212011 in words is "eleven trillion, twenty-one billion, one hundred one million, two hundred twelve thousand, eleven".