111320200312001 has 2 divisors, whose sum is σ = 111320200312002. Its totient is φ = 111320200312000.

The previous prime is 111320200311979. The next prime is 111320200312049. The reversal of 111320200312001 is 100213002023111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66387296665600 + 44932903646401 = 8147840^2 + 6703201^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111320200312001 is a prime.

It is not a weakly prime, because it can be changed into another prime (111320200312091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55660100156000 + 55660100156001.

It is an arithmetic number, because the mean of its divisors is an integer number (55660100156001).

Almost surely, 2^{111320200312001} is an apocalyptic number.

It is an amenable number.

111320200312001 is a deficient number, since it is larger than the sum of its proper divisors (1).

111320200312001 is an equidigital number, since it uses as much as digits as its factorization.

111320200312001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 111320200312001 its reverse (100213002023111), we get a palindrome (211533202335112).

The spelling of 111320200312001 in words is "one hundred eleven trillion, three hundred twenty billion, two hundred million, three hundred twelve thousand, one".