1102202009 has 2 divisors, whose sum is σ = 1102202010. Its totient is φ = 1102202008.

The previous prime is 1102201999. The next prime is 1102202033. The reversal of 1102202009 is 9002022011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1013785600 + 88416409 = 31840^2 + 9403^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102202009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1102202039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551101004 + 551101005.

It is an arithmetic number, because the mean of its divisors is an integer number (551101005).

Almost surely, 2^1102202009 is an apocalyptic number.

It is an amenable number.

1102202009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102202009 is an equidigital number, since it uses as much as digits as its factorization.

1102202009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1102202009 is about 33199.4278414553. The cubic root of 1102202009 is about 1032.9684715206.

The spelling of 1102202009 in words is "one billion, one hundred two million, two hundred two thousand, nine".