1102203111 has 16 divisors (see below), whose sum is σ = 1478577888. Its totient is φ = 730329600.

The previous prime is 1102203059. The next prime is 1102203139. The reversal of 1102203111 is 1113022011.

It is a de Polignac number, because none of the positive numbers 2^k-1102203111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102203191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383821 + ... + 386681.

It is an arithmetic number, because the mean of its divisors is an integer number (92411118).

Almost surely, 2^1102203111 is an apocalyptic number.

1102203111 is a deficient number, since it is larger than the sum of its proper divisors (376374777).

1102203111 is a wasteful number, since it uses less digits than its factorization.

1102203111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3602.

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

The square root of 1102203111 is about 33199.4444381228. Note that the first 4 decimals coincide. The cubic root of 1102203111 is about 1032.9688157802.

Adding to 1102203111 its reverse (1113022011), we get a palindrome (2215225122).

It can be divided in two parts, 1102 and 203111, that multiplied together give a palindrome (223828322).

The spelling of 1102203111 in words is "one billion, one hundred two million, two hundred three thousand, one hundred eleven".