120101111212122 has 24 divisors (see below), whose sum is σ = 267252022248276. Its totient is φ = 38951711744256.

The previous prime is 120101111212111. The next prime is 120101111212123. The reversal of 120101111212122 is 221212111101021.

It is a happy number.

120101111212122 is a `hidden beast` number, since 120 + 101 + 111 + 212 + 122 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 116658598341321 + 3442512870801 = 10800861^2 + 1855401^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120101111212095 and 120101111212104.

It is not an unprimeable number, because it can be changed into a prime (120101111212123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90165998743 + ... + 90166000074.

Almost surely, 2^{120101111212122} is an apocalyptic number.

120101111212122 is an abundant number, since it is smaller than the sum of its proper divisors (147150911036154).

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

120101111212122 is a wasteful number, since it uses less digits than its factorization.

120101111212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180331998862 (or 180331998859 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 120101111212122 its reverse (221212111101021), we get a palindrome (341313222313143).

The spelling of 120101111212122 in words is "one hundred twenty trillion, one hundred one billion, one hundred eleven million, two hundred twelve thousand, one hundred twenty-two".