1101110121021 has 8 divisors (see below), whose sum is σ = 1468152335520. Its totient is φ = 734070660272.

The previous prime is 1101110121019. The next prime is 1101110121029. The reversal of 1101110121021 is 1201210111011.

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 1101110121021 - 2¹ = 1101110121019 is a prime.

It is a super-2 number, since 2×1101110121021² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1101110120988 and 1101110121006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101110121029) 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, 576706 + ... + 1592108.

It is an arithmetic number, because the mean of its divisors is an integer number (183519041940).

Almost surely, 2^{1101110121021} is an apocalyptic number.

It is an amenable number.

1101110121021 is a deficient number, since it is larger than the sum of its proper divisors (367042214499).

1101110121021 is a wasteful number, since it uses less digits than its factorization.

1101110121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376875.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1101110121021 its reverse (1201210111011), we get a palindrome (2302320232032).

The spelling of 1101110121021 in words is "one trillion, one hundred one billion, one hundred ten million, one hundred twenty-one thousand, twenty-one".