1201102111102 has 8 divisors (see below), whose sum is σ = 1839986212896. Its totient is φ = 587773373472.

The previous prime is 1201102111087. The next prime is 1201102111169. The reversal of 1201102111102 is 2011112011021.

It is a happy number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6388840923 + ... + 6388841110.

It is an arithmetic number, because the mean of its divisors is an integer number (229998276612).

Almost surely, 2^{1201102111102} is an apocalyptic number.

1201102111102 is a deficient number, since it is larger than the sum of its proper divisors (638884101794).

1201102111102 is a wasteful number, since it uses less digits than its factorization.

1201102111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12777682082.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1201102111102 its reverse (2011112011021), we get a palindrome (3212214122123).

The spelling of 1201102111102 in words is "one trillion, two hundred one billion, one hundred two million, one hundred eleven thousand, one hundred two".