111200101221047 has 2 divisors, whose sum is σ = 111200101221048. Its totient is φ = 111200101221046.

The previous prime is 111200101220969. The next prime is 111200101221067. The reversal of 111200101221047 is 740122101002111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111200101221047 - 2¹⁶ = 111200101155511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111200101221067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600050610523 + 55600050610524.

It is an arithmetic number, because the mean of its divisors is an integer number (55600050610524).

Almost surely, 2^{111200101221047} is an apocalyptic number.

111200101221047 is a deficient number, since it is larger than the sum of its proper divisors (1).

111200101221047 is an equidigital number, since it uses as much as digits as its factorization.

111200101221047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 111200101221047 its reverse (740122101002111), we get a palindrome (851322202223158).

The spelling of 111200101221047 in words is "one hundred eleven trillion, two hundred billion, one hundred one million, two hundred twenty-one thousand, forty-seven".