111020032121201 has 24 divisors (see below), whose sum is σ = 130076925723360. Its totient is φ = 94473921048192.

The previous prime is 111020032121171. The next prime is 111020032121239. The reversal of 111020032121201 is 102121230020111.

It is a happy number.

It is not a de Polignac number, because 111020032121201 - 2⁴⁶ = 40651287943537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111020032121201.

It is not an unprimeable number, because it can be changed into a prime (111020032127201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 731922770 + ... + 732074436.

It is an arithmetic number, because the mean of its divisors is an integer number (5419871905140).

Almost surely, 2^{111020032121201} is an apocalyptic number.

It is an amenable number.

111020032121201 is a deficient number, since it is larger than the sum of its proper divisors (19056893602159).

111020032121201 is a wasteful number, since it uses less digits than its factorization.

111020032121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259293 (or 259286 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111020032121201 its reverse (102121230020111), we get a palindrome (213141262141312).

The spelling of 111020032121201 in words is "one hundred eleven trillion, twenty billion, thirty-two million, one hundred twenty-one thousand, two hundred one".