2102200101 has 8 divisors (see below), whose sum is σ = 3114370560.
Its totient is φ = 1401466716.
The previous prime is 2102200081. The next prime is 2102200141. The reversal of 2102200101 is 1010022012.
It is not a de Polignac number, because 2102200101 - 213 = 2102191909 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2102200141) 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, 38929605 + ... + 38929658.
It is an arithmetic number, because the mean of its divisors is an integer number (389296320).
Almost surely, 22102200101 is an apocalyptic number.
It is an amenable number.
2102200101 is a deficient number, since it is larger than the sum of its proper divisors (1012170459).
2102200101 is an equidigital number, since it uses as much as digits as its factorization.
2102200101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77859272 (or 77859266 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
The square root of 2102200101 is about 45849.7557354453.
The cubic root of 2102200101 is about 1281.0262158087.
Adding to 2102200101 its reverse (1010022012), we get a palindrome (3112222113).
The spelling of 2102200101 in words is "two billion, one hundred two million, two hundred thousand, one hundred one".