1102202121 has 4 divisors (see below), whose sum is σ = 1469602832. Its totient is φ = 734801412.

The previous prime is 1102202119. The next prime is 1102202131. The reversal of 1102202121 is 1212022011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1102202121 - 2¹ = 1102202119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102202097 and 1102202106.

It is not an unprimeable number, because it can be changed into a prime (1102202111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183700351 + ... + 183700356.

It is an arithmetic number, because the mean of its divisors is an integer number (367400708).

Almost surely, 2^1102202121 is an apocalyptic number.

It is an amenable number.

1102202121 is a deficient number, since it is larger than the sum of its proper divisors (367400711).

1102202121 is an equidigital number, since it uses as much as digits as its factorization.

1102202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367400710.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1102202121 is about 33199.4295282314. The cubic root of 1102202121 is about 1032.9685065089.

Adding to 1102202121 its reverse (1212022011), we get a palindrome (2314224132).

The spelling of 1102202121 in words is "one billion, one hundred two million, two hundred two thousand, one hundred twenty-one".