11121022100211 has 4 divisors (see below), whose sum is σ = 14828029466952. Its totient is φ = 7414014733472.

The previous prime is 11121022100197. The next prime is 11121022100257. The reversal of 11121022100211 is 11200122012111.

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 11121022100211 - 2¹⁴ = 11121022083827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11121022100261) 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, 1853503683366 + ... + 1853503683371.

It is an arithmetic number, because the mean of its divisors is an integer number (3707007366738).

Almost surely, 2^{11121022100211} is an apocalyptic number.

11121022100211 is a deficient number, since it is larger than the sum of its proper divisors (3707007366741).

11121022100211 is an equidigital number, since it uses as much as digits as its factorization.

11121022100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3707007366740.

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

Adding to 11121022100211 its reverse (11200122012111), we get a palindrome (22321144112322).

The spelling of 11121022100211 in words is "eleven trillion, one hundred twenty-one billion, twenty-two million, one hundred thousand, two hundred eleven".