100021202201 has 2 divisors, whose sum is σ = 100021202202. Its totient is φ = 100021202200.

The previous prime is 100021202147. The next prime is 100021202231. The reversal of 100021202201 is 102202120001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88069465225 + 11951736976 = 296765^2 + 109324^2 .

It is an emirp because it is prime and its reverse (102202120001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100021202201 - 2³⁰ = 98947460377 is a prime.

It is not a weakly prime, because it can be changed into another prime (100021202231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010601100 + 50010601101.

It is an arithmetic number, because the mean of its divisors is an integer number (50010601101).

Almost surely, 2^100021202201 is an apocalyptic number.

It is an amenable number.

100021202201 is a deficient number, since it is larger than the sum of its proper divisors (1).

100021202201 is an equidigital number, since it uses as much as digits as its factorization.

100021202201 is an evil number, because the sum of its binary digits is even.

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

Adding to 100021202201 its reverse (102202120001), we get a palindrome (202223322202).

The spelling of 100021202201 in words is "one hundred billion, twenty-one million, two hundred two thousand, two hundred one".