1202100201 has 6 divisors (see below), whose sum is σ = 1736366970. Its totient is φ = 801400128.

The previous prime is 1202100191. The next prime is 1202100239. The reversal of 1202100201 is 1020012021.

It can be written as a sum of positive squares in only one way, i.e., 1188594576 + 13505625 = 34476^2 + 3675^2 .

It is not a de Polignac number, because 1202100201 - 2¹⁰ = 1202099177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 133566689 = 1202100201 / (1 + 2 + 0 + 2 + 1 + 0 + 0 + 2 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (1202100001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66783336 + ... + 66783353.

It is an arithmetic number, because the mean of its divisors is an integer number (289394495).

Almost surely, 2^1202100201 is an apocalyptic number.

It is an amenable number.

1202100201 is a deficient number, since it is larger than the sum of its proper divisors (534266769).

1202100201 is a wasteful number, since it uses less digits than its factorization.

1202100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133566695 (or 133566692 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1202100201 is about 34671.3166897365. The cubic root of 1202100201 is about 1063.2781513627.

Adding to 1202100201 its reverse (1020012021), we get a palindrome (2222112222).

The spelling of 1202100201 in words is "one billion, two hundred two million, one hundred thousand, two hundred one".