1201220211102 has 8 divisors (see below), whose sum is σ = 2402440422216. Its totient is φ = 400406737032.

The previous prime is 1201220211083. The next prime is 1201220211127. The reversal of 1201220211102 is 2011120221021.

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

1201220211102 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100101684253 + ... + 100101684264.

It is an arithmetic number, because the mean of its divisors is an integer number (300305052777).

Almost surely, 2^{1201220211102} is an apocalyptic number.

1201220211102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201220211102 is a wasteful number, since it uses less digits than its factorization.

1201220211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200203368522.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1201220211102 its reverse (2011120221021), we get a palindrome (3212340432123).

The spelling of 1201220211102 in words is "one trillion, two hundred one billion, two hundred twenty million, two hundred eleven thousand, one hundred two".