111011122020201 has 32 divisors (see below), whose sum is σ = 159950628687360. Its totient is φ = 68078821365504.

The previous prime is 111011122020181. The next prime is 111011122020221. The reversal of 111011122020201 is 102020221110111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111011122020181) and next prime (111011122020221).

It is not a de Polignac number, because 111011122020201 - 2⁴² = 106613075509097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111011122020221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 329832135 + ... + 330168531.

It is an arithmetic number, because the mean of its divisors is an integer number (4998457146480).

Almost surely, 2^{111011122020201} is an apocalyptic number.

It is an amenable number.

111011122020201 is a deficient number, since it is larger than the sum of its proper divisors (48939506667159).

111011122020201 is a wasteful number, since it uses less digits than its factorization.

111011122020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365585.

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

Adding to 111011122020201 its reverse (102020221110111), we get a palindrome (213031343130312).

The spelling of 111011122020201 in words is "one hundred eleven trillion, eleven billion, one hundred twenty-two million, twenty thousand, two hundred one".