120101122111012 has 36 divisors (see below), whose sum is σ = 252922313817180. Its totient is φ = 49697016043584.

The previous prime is 120101122110979. The next prime is 120101122111037. The reversal of 120101122111012 is 210111221101021.

It can be written as a sum of positive squares in 2 ways, for example, as 79473552062436 + 40627570048576 = 8914794^2 + 6373976^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10564836163 + ... + 10564847530.

It is an arithmetic number, because the mean of its divisors is an integer number (7025619828255).

Almost surely, 2^{120101122111012} is an apocalyptic number.

It is an amenable number.

120101122111012 is an abundant number, since it is smaller than the sum of its proper divisors (132821191706168).

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

120101122111012 is a wasteful number, since it uses less digits than its factorization.

120101122111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21129683740 (or 21129683731 counting only the distinct ones).

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

Adding to 120101122111012 its reverse (210111221101021), we get a palindrome (330212343212033).

The spelling of 120101122111012 in words is "one hundred twenty trillion, one hundred one billion, one hundred twenty-two million, one hundred eleven thousand, twelve".