1100003202421 has 8 divisors (see below), whose sum is σ = 1115805210624. Its totient is φ = 1084209777840.

The previous prime is 1100003202383. The next prime is 1100003202437. The reversal of 1100003202421 is 1242023000011.

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 1100003202421 - 2⁷ = 1100003202293 is a prime.

It is a super-2 number, since 2×1100003202421² (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 = 1100003202395 and 1100003202404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100003202821) 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, 1887541 + ... + 2400586.

It is an arithmetic number, because the mean of its divisors is an integer number (139475651328).

Almost surely, 2^{1100003202421} is an apocalyptic number.

It is an amenable number.

1100003202421 is a deficient number, since it is larger than the sum of its proper divisors (15802008203).

1100003202421 is an equidigital number, since it uses as much as digits as its factorization.

1100003202421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4291811.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1100003202421 its reverse (1242023000011), we get a palindrome (2342026202432).

The spelling of 1100003202421 in words is "one trillion, one hundred billion, three million, two hundred two thousand, four hundred twenty-one".