11102121220210 has 64 divisors (see below), whose sum is σ = 21538948806144. Its totient is φ = 4105084748800.

The previous prime is 11102121220199. The next prime is 11102121220247. The reversal of 11102121220210 is 1202212120111.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1425720 + ... + 4923100.

It is an arithmetic number, because the mean of its divisors is an integer number (336546075096).

Almost surely, 2^{11102121220210} is an apocalyptic number.

11102121220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11102121220210 is a deficient number, since it is larger than the sum of its proper divisors (10436827585934).

11102121220210 is a wasteful number, since it uses less digits than its factorization.

11102121220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3497739.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11102121220210 its reverse (1202212120111), we get a palindrome (12304333340321).

The spelling of 11102121220210 in words is "eleven trillion, one hundred two billion, one hundred twenty-one million, two hundred twenty thousand, two hundred ten".