111210102210001 has 2 divisors, whose sum is σ = 111210102210002. Its totient is φ = 111210102210000.

The previous prime is 111210102209957. The next prime is 111210102210013. The reversal of 111210102210001 is 100012201012111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92725055478225 + 18485046731776 = 9629385^2 + 4299424^2 .

It is a cyclic number.

It is not a de Polignac number, because 111210102210001 - 2²¹ = 111210100112849 is a prime.

It is not a weakly prime, because it can be changed into another prime (111210102210061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55605051105000 + 55605051105001.

It is an arithmetic number, because the mean of its divisors is an integer number (55605051105001).

Almost surely, 2^{111210102210001} is an apocalyptic number.

It is an amenable number.

111210102210001 is a deficient number, since it is larger than the sum of its proper divisors (1).

111210102210001 is an equidigital number, since it uses as much as digits as its factorization.

111210102210001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111210102210001 its reverse (100012201012111), we get a palindrome (211222303222112).

The spelling of 111210102210001 in words is "one hundred eleven trillion, two hundred ten billion, one hundred two million, two hundred ten thousand, one".