11012011220211 has 4 divisors (see below), whose sum is σ = 14682681626952. Its totient is φ = 7341340813472.

The previous prime is 11012011220209. The next prime is 11012011220263. The reversal of 11012011220211 is 11202211021011.

It is a happy number.

11012011220211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11012011220211 - 2¹ = 11012011220209 is a prime.

It is a super-2 number, since 2×11012011220211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11012011220201) 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, 1835335203366 + ... + 1835335203371.

It is an arithmetic number, because the mean of its divisors is an integer number (3670670406738).

Almost surely, 2^{11012011220211} is an apocalyptic number.

11012011220211 is a deficient number, since it is larger than the sum of its proper divisors (3670670406741).

11012011220211 is an equidigital number, since it uses as much as digits as its factorization.

11012011220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670670406740.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11012011220211 its reverse (11202211021011), we get a palindrome (22214222241222).

The spelling of 11012011220211 in words is "eleven trillion, twelve billion, eleven million, two hundred twenty thousand, two hundred eleven".