1102112221021 has 8 divisors (see below), whose sum is σ = 1262289055104. Its totient is φ = 942618444720.

The previous prime is 1102112221013. The next prime is 1102112221037. The reversal of 1102112221021 is 1201222112011.

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 1102112221021 - 2³ = 1102112221013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102112220986 and 1102112221004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102112221051) 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, 170760985 + ... + 170767438.

It is an arithmetic number, because the mean of its divisors is an integer number (157786131888).

Almost surely, 2^{1102112221021} is an apocalyptic number.

It is an amenable number.

1102112221021 is a deficient number, since it is larger than the sum of its proper divisors (160176834083).

1102112221021 is an equidigital number, since it uses as much as digits as its factorization.

1102112221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341528891.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1102112221021 its reverse (1201222112011), we get a palindrome (2303334333032).

The spelling of 1102112221021 in words is "one trillion, one hundred two billion, one hundred twelve million, two hundred twenty-one thousand, twenty-one".