1102102221 has 32 divisors (see below), whose sum is σ = 1623892608. Its totient is φ = 659312640.

The previous prime is 1102102217. The next prime is 1102102259. The reversal of 1102102221 is 1222012011.

It is not a de Polignac number, because 1102102221 - 2² = 1102102217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102102197 and 1102102206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102102271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1256235 + ... + 1257111.

It is an arithmetic number, because the mean of its divisors is an integer number (50746644).

Almost surely, 2^1102102221 is an apocalyptic number.

1102102221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1102102221 is a deficient number, since it is larger than the sum of its proper divisors (521790387).

1102102221 is a wasteful number, since it uses less digits than its factorization.

1102102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341.

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

The square root of 1102102221 is about 33197.9249502134. The cubic root of 1102102221 is about 1032.9372972689.

Adding to 1102102221 its reverse (1222012011), we get a palindrome (2324114232).

The spelling of 1102102221 in words is "one billion, one hundred two million, one hundred two thousand, two hundred twenty-one".