1200221102102 has 12 divisors (see below), whose sum is σ = 1978876941468. Its totient is φ = 545555046300.

The previous prime is 1200221102057. The next prime is 1200221102107. The reversal of 1200221102102 is 2012011220021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200221102107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2479795424 + ... + 2479795907.

It is an arithmetic number, because the mean of its divisors is an integer number (164906411789).

Almost surely, 2^{1200221102102} is an apocalyptic number.

1200221102102 is a deficient number, since it is larger than the sum of its proper divisors (778655839366).

1200221102102 is a wasteful number, since it uses less digits than its factorization.

1200221102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4959591355 (or 4959591344 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1200221102102 its reverse (2012011220021), we get a palindrome (3212232322123).

The spelling of 1200221102102 in words is "one trillion, two hundred billion, two hundred twenty-one million, one hundred two thousand, one hundred two".