1223021102 has 16 divisors (see below), whose sum is σ = 1859799312. Its totient is φ = 603113280.

The previous prime is 1223021099. The next prime is 1223021131. The reversal of 1223021102 is 2011203221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96452 + ... + 108392.

It is an arithmetic number, because the mean of its divisors is an integer number (116237457).

Almost surely, 2^1223021102 is an apocalyptic number.

1223021102 is a deficient number, since it is larger than the sum of its proper divisors (636778210).

1223021102 is a wasteful number, since it uses less digits than its factorization.

1223021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12643.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1223021102 is about 34971.7186023221. The cubic root of 1223021102 is about 1069.4110078369.

Adding to 1223021102 its reverse (2011203221), we get a palindrome (3234224323).

The spelling of 1223021102 in words is "one billion, two hundred twenty-three million, twenty-one thousand, one hundred two".