11210211021220 has 48 divisors (see below), whose sum is σ = 24780820760640. Its totient is φ = 4248019230336.

The previous prime is 11210211021157. The next prime is 11210211021241. The reversal of 11210211021220 is 2212011201211.

It is a super-2 number, since 2×11210211021220² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11210211021194 and 11210211021203.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 33472114 + ... + 33805366.

It is an arithmetic number, because the mean of its divisors is an integer number (516267099180).

Almost surely, 2^{11210211021220} is an apocalyptic number.

11210211021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11210211021220 is an abundant number, since it is smaller than the sum of its proper divisors (13570609739420).

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

11210211021220 is a wasteful number, since it uses less digits than its factorization.

11210211021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421804 (or 421802 counting only the distinct ones).

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

Adding to 11210211021220 its reverse (2212011201211), we get a palindrome (13422222222431).

The spelling of 11210211021220 in words is "eleven trillion, two hundred ten billion, two hundred eleven million, twenty-one thousand, two hundred twenty".