1102120102 has 4 divisors (see below), whose sum is σ = 1653180156. Its totient is φ = 551060050.

The previous prime is 1102120093. The next prime is 1102120157. The reversal of 1102120102 is 2010212011.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 275530024 + ... + 275530027.

It is an arithmetic number, because the mean of its divisors is an integer number (413295039).

Almost surely, 2^1102120102 is an apocalyptic number.

1102120102 is a deficient number, since it is larger than the sum of its proper divisors (551060054).

1102120102 is an equidigital number, since it uses as much as digits as its factorization.

1102120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551060053.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1102120102 is about 33198.1942581219. The cubic root of 1102120102 is about 1032.9428835178.

Adding to 1102120102 its reverse (2010212011), we get a palindrome (3112332113).

It can be divided in two parts, 110 and 2120102, that added together give a palindrome (2120212).

The spelling of 1102120102 in words is "one billion, one hundred two million, one hundred twenty thousand, one hundred two".