11220121121109 has 16 divisors (see below), whose sum is σ = 15023379793920. Its totient is φ = 7448491008000.

The previous prime is 11220121121089. The next prime is 11220121121117. The reversal of 11220121121109 is 90112112102211.

It is not a de Polignac number, because 11220121121109 - 2¹¹ = 11220121119061 is a prime.

It is a super-2 number, since 2×11220121121109² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220121121149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110869 + ... + 4738410.

It is an arithmetic number, because the mean of its divisors is an integer number (938961237120).

Almost surely, 2^{11220121121109} is an apocalyptic number.

It is an amenable number.

11220121121109 is a deficient number, since it is larger than the sum of its proper divisors (3803258672811).

11220121121109 is a wasteful number, since it uses less digits than its factorization.

11220121121109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4852540.

The product of its (nonzero) digits is 144, while the sum is 24.

The spelling of 11220121121109 in words is "eleven trillion, two hundred twenty billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred nine".