201222012111113 has 12 divisors (see below), whose sum is σ = 242146122950340. Its totient is φ = 166528561745952.

The previous prime is 201222012111067. The next prime is 201222012111137. The reversal of 201222012111113 is 311111210222102.

It can be written as a sum of positive squares in 2 ways, for example, as 75697168969744 + 125524843141369 = 8700412^2 + 11203787^2 .

It is not a de Polignac number, because 201222012111113 - 2⁸ = 201222012110857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201222014111113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70802958506 + ... + 70802961347.

It is an arithmetic number, because the mean of its divisors is an integer number (20178843579195).

Almost surely, 2^{201222012111113} is an apocalyptic number.

It is an amenable number.

201222012111113 is a deficient number, since it is larger than the sum of its proper divisors (40924110839227).

201222012111113 is a wasteful number, since it uses less digits than its factorization.

201222012111113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141605919896 (or 141605919889 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 201222012111113 its reverse (311111210222102), we get a palindrome (512333222333215).

The spelling of 201222012111113 in words is "two hundred one trillion, two hundred twenty-two billion, twelve million, one hundred eleven thousand, one hundred thirteen".