121021201201122 has 96 divisors (see below), whose sum is σ = 270308501274240. Its totient is φ = 39103310442240.

The previous prime is 121021201200997. The next prime is 121021201201141. The reversal of 121021201201122 is 221102102120121.

121021201201122 is a `hidden beast` number, since 1 + 210 + 212 + 0 + 120 + 1 + 122 = 666.

It is a super-2 number, since 2×121021201201122² (a number of 29 digits) contains 22 as substring.

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 = 121021201201095 and 121021201201104.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 199388422 + ... + 199994462.

It is an arithmetic number, because the mean of its divisors is an integer number (2815713554940).

Almost surely, 2^{121021201201122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121021201201122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135154250637120).

121021201201122 is an abundant number, since it is smaller than the sum of its proper divisors (149287300073118).

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

121021201201122 is a wasteful number, since it uses less digits than its factorization.

121021201201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607208 (or 607205 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121021201201122 its reverse (221102102120121), we get a palindrome (342123303321243).

The spelling of 121021201201122 in words is "one hundred twenty-one trillion, twenty-one billion, two hundred one million, two hundred one thousand, one hundred twenty-two".