11220121102 has 16 divisors (see below), whose sum is σ = 16871178240. Its totient is φ = 5596410168.

The previous prime is 11220121051. The next prime is 11220121103. The reversal of 11220121102 is 20112102211.

11220121102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11220121102² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220121103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2189299 + ... + 2194417.

It is an arithmetic number, because the mean of its divisors is an integer number (1054448640).

Almost surely, 2^11220121102 is an apocalyptic number.

11220121102 is a deficient number, since it is larger than the sum of its proper divisors (5651057138).

11220121102 is a wasteful number, since it uses less digits than its factorization.

11220121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7575.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11220121102 its reverse (20112102211), we get a palindrome (31332223313).

The spelling of 11220121102 in words is "eleven billion, two hundred twenty million, one hundred twenty-one thousand, one hundred two".