100011022220250 has 96 divisors (see below), whose sum is σ = 275532253545744. Its totient is φ = 26166405782400.

The previous prime is 100011022220143. The next prime is 100011022220251. The reversal of 100011022220250 is 52022220110001.

It can be written as a sum of positive squares in 8 ways, for example, as 10135901118249 + 89875121102001 = 3183693^2 + 9480249^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (100011022220251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 419214177 + ... + 419452676.

Almost surely, 2^{100011022220250} is an apocalyptic number.

100011022220250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100011022220250 is an abundant number, since it is smaller than the sum of its proper divisors (175521231325494).

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

100011022220250 is a wasteful number, since it uses less digits than its factorization.

100011022220250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838666929 (or 838666916 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 100011022220250 its reverse (52022220110001), we get a palindrome (152033242330251).

The spelling of 100011022220250 in words is "one hundred trillion, eleven billion, twenty-two million, two hundred twenty thousand, two hundred fifty".