1102002201 has 6 divisors (see below), whose sum is σ = 1591780970. Its totient is φ = 734668128.

The previous prime is 1102002193. The next prime is 1102002227. The reversal of 1102002201 is 1022002011.

It can be written as a sum of positive squares in only one way, i.e., 878529600 + 223472601 = 29640^2 + 14949^2 .

It is not a de Polignac number, because 1102002201 - 2³ = 1102002193 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: 122444689 = 1102002201 / (1 + 1 + 0 + 2 + 0 + 0 + 2 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102002301) 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, 61222336 + ... + 61222353.

Almost surely, 2^1102002201 is an apocalyptic number.

It is an amenable number.

1102002201 is a deficient number, since it is larger than the sum of its proper divisors (489778769).

1102002201 is a wasteful number, since it uses less digits than its factorization.

1102002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122444695 (or 122444692 counting only the distinct ones).

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

The square root of 1102002201 is about 33196.4184965788. The cubic root of 1102002201 is about 1032.9060486509.

Adding to 1102002201 its reverse (1022002011), we get a palindrome (2124004212).

The spelling of 1102002201 in words is "one billion, one hundred two million, two thousand, two hundred one".