11220101010 has 24 divisors (see below), whose sum is σ = 29172262860. Its totient is φ = 2992026912.

The previous prime is 11220100993. The next prime is 11220101021. The reversal of 11220101010 is 1010102211.

It is a happy number.

11220101010 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9743466681 + 1476634329 = 98709^2 + 38427^2 .

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

11220101010 is a modest number, since divided by 101010 gives 11220 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 11220100983 and 11220101001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62333805 + ... + 62333984.

Almost surely, 2^11220101010 is an apocalyptic number.

11220101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11220101010 is an abundant number, since it is smaller than the sum of its proper divisors (17952161850).

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

11220101010 is a wasteful number, since it uses less digits than its factorization.

11220101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124667802 (or 124667799 counting only the distinct ones).

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

Adding to 11220101010 its reverse (1010102211), we get a palindrome (12230203221).

The spelling of 11220101010 in words is "eleven billion, two hundred twenty million, one hundred one thousand, ten".