111020201012057 has 2 divisors, whose sum is σ = 111020201012058. Its totient is φ = 111020201012056.

The previous prime is 111020201012041. The next prime is 111020201012107. The reversal of 111020201012057 is 750210102020111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104309842341961 + 6710358670096 = 10213219^2 + 2590436^2 .

It is a cyclic number.

It is not a de Polignac number, because 111020201012057 - 2⁴ = 111020201012041 is a prime.

It is not a weakly prime, because it can be changed into another prime (111020401012057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55510100506028 + 55510100506029.

It is an arithmetic number, because the mean of its divisors is an integer number (55510100506029).

Almost surely, 2^{111020201012057} is an apocalyptic number.

It is an amenable number.

111020201012057 is a deficient number, since it is larger than the sum of its proper divisors (1).

111020201012057 is an equidigital number, since it uses as much as digits as its factorization.

111020201012057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 23.

Adding to 111020201012057 its reverse (750210102020111), we get a palindrome (861230303032168).

The spelling of 111020201012057 in words is "one hundred eleven trillion, twenty billion, two hundred one million, twelve thousand, fifty-seven".