201101113321212 has 48 divisors (see below), whose sum is σ = 509188491326592. Its totient is φ = 61404920091840.

The previous prime is 201101113321201. The next prime is 201101113321217. The reversal of 201101113321212 is 212123311101102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201101113321217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4920245598 + ... + 4920286469.

It is an arithmetic number, because the mean of its divisors is an integer number (10608093569304).

Almost surely, 2^{201101113321212} is an apocalyptic number.

It is an amenable number.

201101113321212 is an abundant number, since it is smaller than the sum of its proper divisors (308087378005380).

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

201101113321212 is a wasteful number, since it uses less digits than its factorization.

201101113321212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9840532218 (or 9840532216 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 201101113321212 its reverse (212123311101102), we get a palindrome (413224424422314).

The spelling of 201101113321212 in words is "two hundred one trillion, one hundred one billion, one hundred thirteen million, three hundred twenty-one thousand, two hundred twelve".