120001011111102 has 128 divisors (see below), whose sum is σ = 277333906544640. Its totient is φ = 34233428960640.

The previous prime is 120001011111089. The next prime is 120001011111119. The reversal of 120001011111102 is 201111110100021.

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, 1439561608 + ... + 1439644964.

It is an arithmetic number, because the mean of its divisors is an integer number (2166671144880).

Almost surely, 2^{120001011111102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120001011111102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138666953272320).

120001011111102 is an abundant number, since it is smaller than the sum of its proper divisors (157332895433538).

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

120001011111102 is a wasteful number, since it uses less digits than its factorization.

120001011111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90598.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 120001011111102 its reverse (201111110100021), we get a palindrome (321112121211123).

The spelling of 120001011111102 in words is "one hundred twenty trillion, one billion, eleven million, one hundred eleven thousand, one hundred two".