1103214321021 has 16 divisors (see below), whose sum is σ = 1475524656000. Its totient is φ = 733193400768.

The previous prime is 1103214321019. The next prime is 1103214321029. The reversal of 1103214321021 is 1201234123011.

It is not a de Polignac number, because 1103214321021 - 2¹ = 1103214321019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103214321029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 927280 + ... + 1751078.

It is an arithmetic number, because the mean of its divisors is an integer number (92220291000).

Almost surely, 2^{1103214321021} is an apocalyptic number.

It is an amenable number.

1103214321021 is a deficient number, since it is larger than the sum of its proper divisors (372310334979).

1103214321021 is an equidigital number, since it uses as much as digits as its factorization.

1103214321021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825188.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1103214321021 its reverse (1201234123011), we get a palindrome (2304448444032).

The spelling of 1103214321021 in words is "one trillion, one hundred three billion, two hundred fourteen million, three hundred twenty-one thousand, twenty-one".