11121000220211 has 8 divisors (see below), whose sum is σ = 12712870694400. Its totient is φ = 9529918785288.

The previous prime is 11121000220157. The next prime is 11121000220217. The reversal of 11121000220211 is 11202200012111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11121000220211 - 2⁶ = 11121000220147 is a prime.

It is a super-2 number, since 2×11121000220211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121000220217) 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, 197229611 + ... + 197285988.

It is an arithmetic number, because the mean of its divisors is an integer number (1589108836800).

Almost surely, 2^{11121000220211} is an apocalyptic number.

11121000220211 is a deficient number, since it is larger than the sum of its proper divisors (1591870474189).

11121000220211 is an equidigital number, since it uses as much as digits as its factorization.

11121000220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394519633.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11121000220211 its reverse (11202200012111), we get a palindrome (22323200232322).

The spelling of 11121000220211 in words is "eleven trillion, one hundred twenty-one billion, two hundred twenty thousand, two hundred eleven".