1211120102 has 8 divisors (see below), whose sum is σ = 1817082936. Its totient is φ = 605425792.

The previous prime is 1211120093. The next prime is 1211120123. The reversal of 1211120102 is 2010211121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 55448 + ... + 74139.

It is an arithmetic number, because the mean of its divisors is an integer number (227135367).

Almost surely, 2^1211120102 is an apocalyptic number.

1211120102 is a deficient number, since it is larger than the sum of its proper divisors (605962834).

1211120102 is a wasteful number, since it uses less digits than its factorization.

1211120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134262.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1211120102 is about 34801.1508717743. The cubic root of 1211120102 is about 1065.9309461562.

Adding to 1211120102 its reverse (2010211121), we get a palindrome (3221331223).

The spelling of 1211120102 in words is "one billion, two hundred eleven million, one hundred twenty thousand, one hundred two".