100011220011 has 24 divisors (see below), whose sum is σ = 149473350000. Its totient is φ = 64361556672.

The previous prime is 100011219983. The next prime is 100011220019. The reversal of 100011220011 is 110022110001.

It is a happy number.

It is not a de Polignac number, because 100011220011 - 2⁶ = 100011219947 is a prime.

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 = 100011219975 and 100011220002.

It is not an unprimeable number, because it can be changed into a prime (100011220019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1293265 + ... + 1368413.

It is an arithmetic number, because the mean of its divisors is an integer number (6228056250).

Almost surely, 2^100011220011 is an apocalyptic number.

100011220011 is a deficient number, since it is larger than the sum of its proper divisors (49462129989).

100011220011 is a wasteful number, since it uses less digits than its factorization.

100011220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80283 (or 80280 counting only the distinct ones).

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

Adding to 100011220011 its reverse (110022110001), we get a palindrome (210033330012).

The spelling of 100011220011 in words is "one hundred billion, eleven million, two hundred twenty thousand, eleven".