111202012021201 has 2 divisors, whose sum is σ = 111202012021202. Its totient is φ = 111202012021200.

The previous prime is 111202012021189. The next prime is 111202012021223. The reversal of 111202012021201 is 102120210202111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92373147099025 + 18828864922176 = 9611095^2 + 4339224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111202012021201 is a prime.

It is not a weakly prime, because it can be changed into another prime (111202012021301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55601006010600 + 55601006010601.

It is an arithmetic number, because the mean of its divisors is an integer number (55601006010601).

Almost surely, 2^{111202012021201} is an apocalyptic number.

It is an amenable number.

111202012021201 is a deficient number, since it is larger than the sum of its proper divisors (1).

111202012021201 is an equidigital number, since it uses as much as digits as its factorization.

111202012021201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111202012021201 its reverse (102120210202111), we get a palindrome (213322222223312).

The spelling of 111202012021201 in words is "one hundred eleven trillion, two hundred two billion, twelve million, twenty-one thousand, two hundred one".