100120202201 has 8 divisors (see below), whose sum is σ = 101179576680. Its totient is φ = 99061383168.

The previous prime is 100120202179. The next prime is 100120202209. The reversal of 100120202201 is 102202021001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27274192201 + 72846010000 = 165149^2 + 269900^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100120202201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100120202209) 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, 228665 + ... + 502521.

It is an arithmetic number, because the mean of its divisors is an integer number (12647447085).

Almost surely, 2^100120202201 is an apocalyptic number.

It is an amenable number.

100120202201 is a deficient number, since it is larger than the sum of its proper divisors (1059374479).

100120202201 is an equidigital number, since it uses as much as digits as its factorization.

100120202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277723.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100120202201 its reverse (102202021001), we get a palindrome (202322223202).

The spelling of 100120202201 in words is "one hundred billion, one hundred twenty million, two hundred two thousand, two hundred one".