11011220010 has 96 divisors (see below), whose sum is σ = 32786612352. Its totient is φ = 2511653760.

The previous prime is 11011219987. The next prime is 11011220023. The reversal of 11011220010 is 1002211011.

It is a happy number.

It is a super-2 number, since 2×11011220010² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11011219974 and 11011220001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 291532 + ... + 327128.

It is an arithmetic number, because the mean of its divisors is an integer number (341527212).

Almost surely, 2^11011220010 is an apocalyptic number.

11011220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11011220010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16393306176).

11011220010 is an abundant number, since it is smaller than the sum of its proper divisors (21775392342).

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

11011220010 is a wasteful number, since it uses less digits than its factorization.

11011220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36108 (or 36105 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11011220010 its reverse (1002211011), we get a palindrome (12013431021).

The spelling of 11011220010 in words is "eleven billion, eleven million, two hundred twenty thousand, ten".