111020102021123 has 8 divisors (see below), whose sum is σ = 111348689469696. Its totient is φ = 110691992520000.

The previous prime is 111020102021107. The next prime is 111020102021161. The reversal of 111020102021123 is 321120201020111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 111020102021123 - 2⁴ = 111020102021107 is a prime.

It is a super-2 number, since 2×111020102021123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111020102021623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119021603 + ... + 119950748.

It is an arithmetic number, because the mean of its divisors is an integer number (13918586183712).

Almost surely, 2^{111020102021123} is an apocalyptic number.

111020102021123 is a deficient number, since it is larger than the sum of its proper divisors (328587448573).

111020102021123 is an equidigital number, since it uses as much as digits as its factorization.

111020102021123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238973725.

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

Adding to 111020102021123 its reverse (321120201020111), we get a palindrome (432140303041234).

The spelling of 111020102021123 in words is "one hundred eleven trillion, twenty billion, one hundred two million, twenty-one thousand, one hundred twenty-three".