120111211210110 has 16 divisors (see below), whose sum is σ = 288266906904336. Its totient is φ = 32029656322688.

The previous prime is 120111211210037. The next prime is 120111211210127. The reversal of 120111211210110 is 11012112111021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120111211210110.

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, 2001853520139 + ... + 2001853520198.

It is an arithmetic number, because the mean of its divisors is an integer number (18016681681521).

Almost surely, 2^{120111211210110} is an apocalyptic number.

120111211210110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120111211210110 is an abundant number, since it is smaller than the sum of its proper divisors (168155695694226).

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

120111211210110 is a wasteful number, since it uses less digits than its factorization.

120111211210110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4003707040347.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 120111211210110 its reverse (11012112111021), we get a palindrome (131123323321131).

The spelling of 120111211210110 in words is "one hundred twenty trillion, one hundred eleven billion, two hundred eleven million, two hundred ten thousand, one hundred ten".