1102112111021 has 8 divisors (see below), whose sum is σ = 1104584861184. Its totient is φ = 1099640221200.

The previous prime is 1102112110951. The next prime is 1102112111029. The reversal of 1102112111021 is 1201112112011.

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 1102112111021 - 2³⁸ = 827234204077 is a prime.

It is a super-2 number, since 2×1102112111021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102112110987 and 1102112111005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102112111029) 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, 2384996 + ... + 2809346.

It is an arithmetic number, because the mean of its divisors is an integer number (138073107648).

Almost surely, 2^{1102112111021} is an apocalyptic number.

It is an amenable number.

1102112111021 is a deficient number, since it is larger than the sum of its proper divisors (2472750163).

1102112111021 is an equidigital number, since it uses as much as digits as its factorization.

1102112111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430171.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1102112111021 its reverse (1201112112011), we get a palindrome (2303224223032).

The spelling of 1102112111021 in words is "one trillion, one hundred two billion, one hundred twelve million, one hundred eleven thousand, twenty-one".