111021102110101 has 8 divisors (see below), whose sum is σ = 111137597474904. Its totient is φ = 110904667127040.

The previous prime is 111021102110081. The next prime is 111021102110129. The reversal of 111021102110101 is 101011201120111.

It can be written as a sum of positive squares in 4 ways, for example, as 31072486032900 + 79948616077201 = 5574270^2 + 8941399^2 .

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 111021102110101 - 2²³ = 111021093721493 is a prime.

It is a super-2 number, since 2×111021102110101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111021102110801) 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, 11415730 + ... + 18771283.

It is an arithmetic number, because the mean of its divisors is an integer number (13892199684363).

Almost surely, 2^{111021102110101} is an apocalyptic number.

It is an amenable number.

111021102110101 is a deficient number, since it is larger than the sum of its proper divisors (116495364803).

111021102110101 is a wasteful number, since it uses less digits than its factorization.

111021102110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30190871.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111021102110101 its reverse (101011201120111), we get a palindrome (212032303230212).

The spelling of 111021102110101 in words is "one hundred eleven trillion, twenty-one billion, one hundred two million, one hundred ten thousand, one hundred one".