11210121210220 has 12 divisors (see below), whose sum is σ = 23541254541504. Its totient is φ = 4484048484080.

The previous prime is 11210121210199. The next prime is 11210121210227. The reversal of 11210121210220 is 2201212101211.

It is a junction number, because it is equal to n+sod(n) for n = 11210121210194 and 11210121210203.

It is not an unprimeable number, because it can be changed into a prime (11210121210227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280253030236 + ... + 280253030275.

It is an arithmetic number, because the mean of its divisors is an integer number (1961771211792).

Almost surely, 2^{11210121210220} is an apocalyptic number.

11210121210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11210121210220 is an abundant number, since it is smaller than the sum of its proper divisors (12331133331284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11210121210220 is a wasteful number, since it uses less digits than its factorization.

11210121210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560506060520 (or 560506060518 counting only the distinct ones).

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

Adding to 11210121210220 its reverse (2201212101211), we get a palindrome (13411333311431).

The spelling of 11210121210220 in words is "eleven trillion, two hundred ten billion, one hundred twenty-one million, two hundred ten thousand, two hundred twenty".