111233122122001 has 32 divisors (see below), whose sum is σ = 122201086565376. Its totient is φ = 100410216312000.

The previous prime is 111233122121983. The next prime is 111233122122007. The reversal of 111233122122001 is 100221221332111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111233122122001 - 2²¹ = 111233120024849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111233122122007) 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, 2361062436 + ... + 2361109546.

It is an arithmetic number, because the mean of its divisors is an integer number (3818783955168).

Almost surely, 2^{111233122122001} is an apocalyptic number.

111233122122001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111233122122001 is a deficient number, since it is larger than the sum of its proper divisors (10967964443375).

111233122122001 is a wasteful number, since it uses less digits than its factorization.

111233122122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49653.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 111233122122001 its reverse (100221221332111), we get a palindrome (211454343454112).

The spelling of 111233122122001 in words is "one hundred eleven trillion, two hundred thirty-three billion, one hundred twenty-two million, one hundred twenty-two thousand, one".