1102728211 has 12 divisors (see below), whose sum is σ = 1195326720. Its totient is φ = 1016839200.

The previous prime is 1102728181. The next prime is 1102728227. The reversal of 1102728211 is 1128272011.

It is a happy number.

It is not a de Polignac number, because 1102728211 - 2¹³ = 1102720019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102728271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191685 + ... + 197353.

It is an arithmetic number, because the mean of its divisors is an integer number (99610560).

Almost surely, 2^1102728211 is an apocalyptic number.

1102728211 is a deficient number, since it is larger than the sum of its proper divisors (92598509).

1102728211 is a wasteful number, since it uses less digits than its factorization.

1102728211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6846 (or 6833 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 25.

The square root of 1102728211 is about 33207.3517613194. The cubic root of 1102728211 is about 1033.1328284460.

The spelling of 1102728211 in words is "one billion, one hundred two million, seven hundred twenty-eight thousand, two hundred eleven".