1201100101122 has 32 divisors (see below), whose sum is σ = 2429536317120. Its totient is φ = 395833405760.

The previous prime is 1201100101111. The next prime is 1201100101169. The reversal of 1201100101122 is 2211010011021.

It is a junction number, because it is equal to n+sod(n) for n = 1201100101098 and 1201100101107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2628933 + ... + 3051800.

It is an arithmetic number, because the mean of its divisors is an integer number (75923009910).

Almost surely, 2^{1201100101122} is an apocalyptic number.

1201100101122 is an abundant number, since it is smaller than the sum of its proper divisors (1228436215998).

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

1201100101122 is a wasteful number, since it uses less digits than its factorization.

1201100101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5681138.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1201100101122 its reverse (2211010011021), we get a palindrome (3412110112143).

The spelling of 1201100101122 in words is "one trillion, two hundred one billion, one hundred million, one hundred one thousand, one hundred twenty-two".