111121110021201 has 8 divisors (see below), whose sum is σ = 169327405746624. Its totient is φ = 63497777154960.

The previous prime is 111121110021197. The next prime is 111121110021209. The reversal of 111121110021201 is 102120011121111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111121110021201 - 2² = 111121110021197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111121110021209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2645740714770 + ... + 2645740714811.

It is an arithmetic number, because the mean of its divisors is an integer number (21165925718328).

Almost surely, 2^{111121110021201} is an apocalyptic number.

It is an amenable number.

111121110021201 is a deficient number, since it is larger than the sum of its proper divisors (58206295725423).

111121110021201 is an equidigital number, since it uses as much as digits as its factorization.

111121110021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5291481429591.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111121110021201 its reverse (102120011121111), we get a palindrome (213241121142312).

The spelling of 111121110021201 in words is "one hundred eleven trillion, one hundred twenty-one billion, one hundred ten million, twenty-one thousand, two hundred one".