100231220011 has 16 divisors (see below), whose sum is σ = 114627975840. Its totient is φ = 86875891200.

The previous prime is 100231219981. The next prime is 100231220021. The reversal of 100231220011 is 110022132001.

It is a cyclic number.

It is not a de Polignac number, because 100231220011 - 2⁷ = 100231219883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 100231219973 and 100231220000.

It is not an unprimeable number, because it can be changed into a prime (100231220021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1767640 + ... + 1823461.

It is an arithmetic number, because the mean of its divisors is an integer number (7164248490).

Almost surely, 2^100231220011 is an apocalyptic number.

100231220011 is a deficient number, since it is larger than the sum of its proper divisors (14396755829).

100231220011 is a wasteful number, since it uses less digits than its factorization.

100231220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3591246.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 100231220011 its reverse (110022132001), we get a palindrome (210253352012).

The spelling of 100231220011 in words is "one hundred billion, two hundred thirty-one million, two hundred twenty thousand, eleven".