1110021221021 has 8 divisors (see below), whose sum is σ = 1124044780320. Its totient is φ = 1096065245808.

The previous prime is 1110021221009. The next prime is 1110021221087. The reversal of 1110021221021 is 1201221200111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1110021221021 is a prime.

It is a super-2 number, since 2×1110021221021² (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 = 1110021220987 and 1110021221005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110021221821) 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, 16862966 + ... + 16928663.

It is an arithmetic number, because the mean of its divisors is an integer number (140505597540).

Almost surely, 2^{1110021221021} is an apocalyptic number.

It is an amenable number.

1110021221021 is a deficient number, since it is larger than the sum of its proper divisors (14023559299).

1110021221021 is a wasteful number, since it uses less digits than its factorization.

1110021221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33792043.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1110021221021 its reverse (1201221200111), we get a palindrome (2311242421132).

The spelling of 1110021221021 in words is "one trillion, one hundred ten billion, twenty-one million, two hundred twenty-one thousand, twenty-one".