111021011202193 has 2 divisors, whose sum is σ = 111021011202194. Its totient is φ = 111021011202192.

The previous prime is 111021011202191. The next prime is 111021011202229. The reversal of 111021011202193 is 391202110120111.

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., 106760390930064 + 4260620272129 = 10332492^2 + 2064127^2 .

It is a cyclic number.

It is not a de Polignac number, because 111021011202193 - 2¹ = 111021011202191 is a prime.

Together with 111021011202191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (111021011202191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55510505601096 + 55510505601097.

It is an arithmetic number, because the mean of its divisors is an integer number (55510505601097).

Almost surely, 2^{111021011202193} is an apocalyptic number.

It is an amenable number.

111021011202193 is a deficient number, since it is larger than the sum of its proper divisors (1).

111021011202193 is an equidigital number, since it uses as much as digits as its factorization.

111021011202193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 25.

The spelling of 111021011202193 in words is "one hundred eleven trillion, twenty-one billion, eleven million, two hundred two thousand, one hundred ninety-three".