1100210421 has 8 divisors (see below), whose sum is σ = 1477655424. Its totient is φ = 728119520.

The previous prime is 1100210413. The next prime is 1100210431. The reversal of 1100210421 is 1240120011.

It is a happy number.

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 1100210421 - 2³ = 1100210413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1100210397 and 1100210406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100210431) 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, 1338045 + ... + 1338866.

It is an arithmetic number, because the mean of its divisors is an integer number (184706928).

Almost surely, 2^1100210421 is an apocalyptic number.

It is an amenable number.

1100210421 is a deficient number, since it is larger than the sum of its proper divisors (377445003).

1100210421 is a wasteful number, since it uses less digits than its factorization.

1100210421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677051.

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

The square root of 1100210421 is about 33169.4199677956. The cubic root of 1100210421 is about 1032.3459335064.

Adding to 1100210421 its reverse (1240120011), we get a palindrome (2340330432).

The spelling of 1100210421 in words is "one billion, one hundred million, two hundred ten thousand, four hundred twenty-one".