100110021201 has 8 divisors (see below), whose sum is σ = 148311142560.
Its totient is φ = 66740014116.
The previous prime is 100110021199. The next prime is 100110021227. The reversal of 100110021201 is 102120011001.
It is a happy number.
It is not a de Polignac number, because 100110021201 - 21 = 100110021199 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (100110021251) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1853889255 + ... + 1853889308.
It is an arithmetic number, because the mean of its divisors is an integer number (18538892820).
Almost surely, 2100110021201 is an apocalyptic number.
It is an amenable number.
100110021201 is a deficient number, since it is larger than the sum of its proper divisors (48201121359).
100110021201 is an equidigital number, since it uses as much as digits as its factorization.
100110021201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3707778572 (or 3707778566 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 9.
Adding to 100110021201 its reverse (102120011001), we get a palindrome (202230032202).
The spelling of 100110021201 in words is "one hundred billion, one hundred ten million, twenty-one thousand, two hundred one".