11100121220210 has 48 divisors (see below), whose sum is σ = 22003881716376. Its totient is φ = 4028660064000.

The previous prime is 11100121220203. The next prime is 11100121220219. The reversal of 11100121220210 is 1202212100111.

It can be written as a sum of positive squares in 4 ways, for example, as 8446190250289 + 2653930969921 = 2906233^2 + 1629089^2 .

It is a super-2 number, since 2×11100121220210² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11100121220219) 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 23 ways as a sum of consecutive naturals, for example, 8173481 + ... + 9434300.

Almost surely, 2^{11100121220210} is an apocalyptic number.

11100121220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11100121220210 is a deficient number, since it is larger than the sum of its proper divisors (10903760496166).

11100121220210 is a wasteful number, since it uses less digits than its factorization.

11100121220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17608331 (or 17608320 counting only the distinct ones).

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

Adding to 11100121220210 its reverse (1202212100111), we get a palindrome (12302333320321).

The spelling of 11100121220210 in words is "eleven trillion, one hundred billion, one hundred twenty-one million, two hundred twenty thousand, two hundred ten".