120311102 has 4 divisors (see below), whose sum is σ = 180466656. Its totient is φ = 60155550.

The previous prime is 120311101. The next prime is 120311129. The reversal of 120311102 is 201113021.

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

It is a super-2 number, since 2×120311102² = 28949522528908808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120311101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30077774 + ... + 30077777.

It is an arithmetic number, because the mean of its divisors is an integer number (45116664).

Almost surely, 2^120311102 is an apocalyptic number.

120311102 is a deficient number, since it is larger than the sum of its proper divisors (60155554).

120311102 is an equidigital number, since it uses as much as digits as its factorization.

120311102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60155553.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 120311102 is about 10968.6417573007. The cubic root of 120311102 is about 493.6682934392.

Adding to 120311102 its reverse (201113021), we get a palindrome (321424123).

The spelling of 120311102 in words is "one hundred twenty million, three hundred eleven thousand, one hundred two".