201121012100112 has 40 divisors (see below), whose sum is σ = 559528969562304. Its totient is φ = 61883388338304.

The previous prime is 201121012100093. The next prime is 201121012100159. The reversal of 201121012100112 is 211001210121102.

It is a happy number.

201121012100112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201121012100091 and 201121012100100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161154656508 + ... + 161154657755.

Almost surely, 2^{201121012100112} is an apocalyptic number.

It is an amenable number.

201121012100112 is an abundant number, since it is smaller than the sum of its proper divisors (358407957462192).

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

201121012100112 is a wasteful number, since it uses less digits than its factorization.

201121012100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322309314287 (or 322309314281 counting only the distinct ones).

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

Adding to 201121012100112 its reverse (211001210121102), we get a palindrome (412122222221214).

The spelling of 201121012100112 in words is "two hundred one trillion, one hundred twenty-one billion, twelve million, one hundred thousand, one hundred twelve".