120201012111102 has 128 divisors (see below), whose sum is σ = 265545705632256. Its totient is φ = 36050040133632.

The previous prime is 120201012111091. The next prime is 120201012111127. The reversal of 120201012111102 is 201111210102021.

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 63 ways as a sum of consecutive naturals, for example, 144155178 + ... + 144986610.

It is an arithmetic number, because the mean of its divisors is an integer number (2074575825252).

Almost surely, 2^{120201012111102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120201012111102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132772852816128).

120201012111102 is an abundant number, since it is smaller than the sum of its proper divisors (145344693521154).

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

120201012111102 is a wasteful number, since it uses less digits than its factorization.

120201012111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831834.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 120201012111102 its reverse (201111210102021), we get a palindrome (321312222213123).

The spelling of 120201012111102 in words is "one hundred twenty trillion, two hundred one billion, twelve million, one hundred eleven thousand, one hundred two".