1100432203421 has 8 divisors (see below), whose sum is σ = 1138833022080. Its totient is φ = 1062061710192.

The previous prime is 1100432203417. The next prime is 1100432203463. The reversal of 1100432203421 is 1243022340011.

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 1100432203421 - 2² = 1100432203417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100432203471) 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, 7507505 + ... + 7652678.

It is an arithmetic number, because the mean of its divisors is an integer number (142354127760).

Almost surely, 2^{1100432203421} is an apocalyptic number.

It is an amenable number.

1100432203421 is a deficient number, since it is larger than the sum of its proper divisors (38400818659).

1100432203421 is a wasteful number, since it uses less digits than its factorization.

1100432203421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15162715.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1100432203421 its reverse (1243022340011), we get a palindrome (2343454543432).

The spelling of 1100432203421 in words is "one trillion, one hundred billion, four hundred thirty-two million, two hundred three thousand, four hundred twenty-one".