1201201221102 has 16 divisors (see below), whose sum is σ = 2402728545360. Its totient is φ = 400346056512.

The previous prime is 1201201221091. The next prime is 1201201221149. The reversal of 1201201221102 is 2011221021021.

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, 13539733 + ... + 13628160.

It is an arithmetic number, because the mean of its divisors is an integer number (150170534085).

Almost surely, 2^{1201201221102} is an apocalyptic number.

1201201221102 is an abundant number, since it is smaller than the sum of its proper divisors (1201527324258).

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

1201201221102 is a wasteful number, since it uses less digits than its factorization.

1201201221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27175267.

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

Adding to 1201201221102 its reverse (2011221021021), we get a palindrome (3212422242123).

The spelling of 1201201221102 in words is "one trillion, two hundred one billion, two hundred one million, two hundred twenty-one thousand, one hundred two".