121001201021112 has 16 divisors (see below), whose sum is σ = 302503002552840. Its totient is φ = 40333733673696.

The previous prime is 121001201021069. The next prime is 121001201021123. The reversal of 121001201021112 is 211120102100121.

It is a happy number.

It is a super-2 number, since 2×121001201021112² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121001201021091 and 121001201021100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2520858354583 + ... + 2520858354630.

Almost surely, 2^{121001201021112} is an apocalyptic number.

121001201021112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121001201021112 is an abundant number, since it is smaller than the sum of its proper divisors (181501801531728).

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

121001201021112 is a wasteful number, since it uses less digits than its factorization.

121001201021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5041716709222 (or 5041716709218 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121001201021112 its reverse (211120102100121), we get a palindrome (332121303121233).

The spelling of 121001201021112 in words is "one hundred twenty-one trillion, one billion, two hundred one million, twenty-one thousand, one hundred twelve".