1100020221021 has 8 divisors (see below), whose sum is σ = 1468405059264. Its totient is φ = 732491098400.

The previous prime is 1100020220983. The next prime is 1100020221031. The reversal of 1100020221021 is 1201220200011.

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 1100020221021 - 2¹⁰ = 1100020219997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1100020220988 and 1100020221006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100020221031) 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, 213925905 + ... + 213931046.

It is an arithmetic number, because the mean of its divisors is an integer number (183550632408).

Almost surely, 2^{1100020221021} is an apocalyptic number.

It is an amenable number.

1100020221021 is a deficient number, since it is larger than the sum of its proper divisors (368384838243).

1100020221021 is an equidigital number, since it uses as much as digits as its factorization.

1100020221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427857811.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1100020221021 its reverse (1201220200011), we get a palindrome (2301240421032).

The spelling of 1100020221021 in words is "one trillion, one hundred billion, twenty million, two hundred twenty-one thousand, twenty-one".