111020330101801 has 2 divisors, whose sum is σ = 111020330101802. Its totient is φ = 111020330101800.

The previous prime is 111020330101763. The next prime is 111020330101909. The reversal of 111020330101801 is 108101033020111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110338217640000 + 682112461801 = 10504200^2 + 825901^2 .

It is an emirp because it is prime and its reverse (108101033020111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111020330101801 - 2⁷ = 111020330101673 is a prime.

It is a super-2 number, since 2×111020330101801² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111020330101301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55510165050900 + 55510165050901.

It is an arithmetic number, because the mean of its divisors is an integer number (55510165050901).

Almost surely, 2^{111020330101801} is an apocalyptic number.

It is an amenable number.

111020330101801 is a deficient number, since it is larger than the sum of its proper divisors (1).

111020330101801 is an equidigital number, since it uses as much as digits as its factorization.

111020330101801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 111020330101801 its reverse (108101033020111), we get a palindrome (219121363121912).

The spelling of 111020330101801 in words is "one hundred eleven trillion, twenty billion, three hundred thirty million, one hundred one thousand, eight hundred one".